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114 vulnerabilities found for Ghost by TryGhost
CVE-2026-103292 (GCVE-0-2026-103292)
Vulnerability from nvd – Published: 2026-10-01 10:42 – Updated: 2026-10-01 13:04
VLAI
EPSS
VEX
Title
Ghost 0.5.3 before 6.50.0 Cross-Site Scripting via ghost_head
Summary
Ghost versions from 0.5.3 through versions prior to 6.50.0 fail to sanitize the data placed in the JSON-LD HTML tag emitted by the {{ghost_head}} helper. An authenticated user with limited privileges can inject unescaped content that is rendered as script in the published page, potentially leading to compromise of a staff user's admin session when that user views the affected page.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 12:56 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/TryGhost/Ghost/security/adviso… | vendor-advisory |
| https://www.vulncheck.com/advisories/ghost-0.5.3-… | third-party-advisory |
Impacted products
Date Public
2026-09-08 00:00
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CVE-2026-103291 (GCVE-0-2026-103291)
Vulnerability from nvd – Published: 2026-10-01 10:42 – Updated: 2026-10-01 10:42
VLAI
EPSS
VEX
Title
Ghost 3.20.2 before 6.51.0 SSRF via image-size fetch
Summary
Ghost versions from 3.20.2 before 6.51.0 contain a server-side request forgery vulnerability in image dimension refetching that allows authenticated staff users to trigger outbound HTTP requests to arbitrary URLs. Attackers can point image cards at attacker-controlled hosts or internal network endpoints to access metadata services and internal resources unavailable from the public internet.
Severity
6.4 (Medium)
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/TryGhost/Ghost/security/adviso… | vendor-advisory |
| https://www.vulncheck.com/advisories/ghost-3.20.2… | third-party-advisory |
Impacted products
Date Public
2026-09-09 00:00
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CVE-2026-103290 (GCVE-0-2026-103290)
Vulnerability from nvd – Published: 2026-10-01 10:42 – Updated: 2026-10-01 14:37
VLAI
EPSS
VEX
Title
Ghost 6.14.0 before 6.27.0 Path Traversal via ImageSize
Summary
Ghost versions 6.14.0 through versions prior to 6.27.0 contain a path traversal vulnerability in the ImageSize service. Insufficient input validation of user-supplied file paths may allow authenticated staff users to access local files outside the intended data storage directories on the server.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 14:37 UTC
CWE
- CWE-35 - Path Traversal: '.../...//'
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/TryGhost/Ghost/security/adviso… | vendor-advisory |
| https://www.vulncheck.com/advisories/ghost-6.14.0… | third-party-advisory |
Impacted products
Date Public
2026-08-11 00:00
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CVE-2026-103289 (GCVE-0-2026-103289)
Vulnerability from nvd – Published: 2026-10-01 10:42 – Updated: 2026-10-01 13:24
VLAI
EPSS
VEX
Title
Ghost 5.9.0 before 6.44.1 Authorization Bypass via Comments
Summary
Ghost from 5.9.0 before 6.44.1 contains an input validation issue in the comments feature that allows authenticated members to access comments they are not authorized to view, resulting in disclosure of restricted comment data.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 13:23 UTC
CWE
- CWE-943 - Improper Neutralization of Special Elements in Data Query Logic
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/TryGhost/Ghost/security/adviso… | vendor-advisory |
| https://www.vulncheck.com/advisories/ghost-5.9.0-… | third-party-advisory |
Impacted products
Date Public
2026-08-11 00:00
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CVE-2026-103288 (GCVE-0-2026-103288)
Vulnerability from nvd – Published: 2026-10-01 10:42 – Updated: 2026-10-01 13:28
VLAI
EPSS
VEX
Title
Ghost 5.9.0 before 6.44.1 Authorization Bypass via Comment Like
Summary
Ghost, an open-source publishing platform, contains an input validation flaw in its comment like feature in versions from 5.9.0 before 6.44.1. An authenticated member can delete comment likes or dislikes belonging to other users that they are not authorized to delete, resulting in an authorization bypass and unauthorized modification of comment engagement data.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 13:27 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/TryGhost/Ghost/security/adviso… | vendor-advisory |
| https://www.vulncheck.com/advisories/ghost-5.9.0-… | third-party-advisory |
Impacted products
Date Public
2026-08-11 00:00
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CVE-2026-103287 (GCVE-0-2026-103287)
Vulnerability from nvd – Published: 2026-10-01 10:42 – Updated: 2026-10-01 10:42
VLAI
EPSS
VEX
Title
Ghost 1.18.0 before 6.27.0 Server-Side Request Forgery via Webhook
Summary
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Severity
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/TryGhost/Ghost/security/adviso… | vendor-advisory |
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Impacted products
Date Public
2026-08-11 00:00
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CVE-2026-103286 (GCVE-0-2026-103286)
Vulnerability from nvd – Published: 2026-10-01 10:42 – Updated: 2026-10-01 15:30
VLAI
EPSS
VEX
Title
Ghost 2.21.0 before 6.56.0 Privilege Escalation via Notifications
Summary
Ghost versions from 2.21.0 before 6.56.0 contain a privilege escalation vulnerability in the notifications system that allows low-privilege staff users to escalate to higher-privilege staff roles. Attackers with low-privilege staff access can exploit the notifications system to gain elevated privileges without proper authorization checks.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 15:30 UTC
CWE
- CWE-266 - Incorrect Privilege Assignment
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/TryGhost/Ghost/security/adviso… | vendor-advisory |
| https://www.vulncheck.com/advisories/ghost-2.21.0… | third-party-advisory |
Impacted products
Date Public
2026-08-11 00:00
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CVE-2026-103285 (GCVE-0-2026-103285)
Vulnerability from nvd – Published: 2026-10-01 10:42 – Updated: 2026-10-01 13:36
VLAI
EPSS
VEX
Title
Ghost 5.19.0 before 6.57.1 Cross-Site Request Forgery
Summary
Ghost versions from 5.19.0 before 6.57.1 contain a cross-site request forgery vulnerability in the post feedback functionality that allows attackers to submit feedback on behalf of logged-in users. Attackers can craft a malicious link to the feedback page that automatically submits feedback when visited by authenticated members without their knowledge or consent.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 13:36 UTC
CWE
- CWE-352 - Cross-Site Request Forgery (CSRF)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/TryGhost/Ghost/security/adviso… | vendor-advisory |
| https://www.vulncheck.com/advisories/ghost-5.19.0… | third-party-advisory |
Impacted products
Date Public
2026-08-13 00:00
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CVE-2026-103284 (GCVE-0-2026-103284)
Vulnerability from nvd – Published: 2026-10-01 10:42 – Updated: 2026-10-01 13:31
VLAI
EPSS
VEX
Title
Ghost 5.125.1 before 6.57.1 Information Disclosure via Feedback
Summary
Ghost versions from 5.125.1 before 6.57.1 contain an information disclosure vulnerability in the Admin Feedback endpoint that allows unauthorized staff users to access member data. Attackers with staff privileges can query the feedback endpoint to retrieve sensitive member information without proper authorization checks.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 13:30 UTC
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/TryGhost/Ghost/security/adviso… | vendor-advisory |
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Impacted products
Date Public
2026-08-13 00:00
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CVE-2026-103283 (GCVE-0-2026-103283)
Vulnerability from nvd – Published: 2026-10-01 10:42 – Updated: 2026-10-01 10:42
VLAI
EPSS
VEX
Title
Ghost 6.20.0 before 6.57.1 Authentication Bypass via Session Handling
Summary
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Severity
CWE
- CWE-613 - Insufficient Session Expiration
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/TryGhost/Ghost/security/adviso… | vendor-advisory |
| https://www.vulncheck.com/advisories/ghost-6.20.0… | third-party-advisory |
Impacted products
Date Public
2026-08-13 00:00
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CVE-2026-103282 (GCVE-0-2026-103282)
Vulnerability from nvd – Published: 2026-10-01 10:42 – Updated: 2026-10-01 14:40
VLAI
EPSS
VEX
Title
Ghost 0.5.0 before 6.23.0 Multiple Account Creation via Invite Token
Summary
Ghost versions 0.5.0 before 6.23.0 contain a concurrency issue in the staff invitation acceptance mechanism that allows multiple accounts to be created from a single invite token. Attackers can exploit this race condition by submitting concurrent requests with the same invitation token to create duplicate user accounts.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 14:40 UTC
CWE
- CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/TryGhost/Ghost/security/adviso… | vendor-advisory |
| https://www.vulncheck.com/advisories/ghost-0.5.0-… | third-party-advisory |
Impacted products
Date Public
2026-08-12 00:00
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CVE-2026-103281 (GCVE-0-2026-103281)
Vulnerability from nvd – Published: 2026-10-01 10:42 – Updated: 2026-10-01 13:36
VLAI
EPSS
VEX
Title
Ghost 3.23.0 before 6.23.0 API Key Exposure via Admin API
Summary
Ghost (npm package 'ghost') versions from 3.23.0 up to, but not including, 6.23.0 expose API keys to users with low-privilege staff accounts. An authenticated low-privilege staff user can read API keys returned by the Admin API, which are intended to be available only to higher-privileged users.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 13:36 UTC
CWE
- CWE-201 - Insertion of Sensitive Information Into Sent Data
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/TryGhost/Ghost/security/adviso… | vendor-advisory |
| https://www.vulncheck.com/advisories/ghost-3.23.0… | third-party-advisory |
Impacted products
Date Public
2026-08-12 00:00
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CVE-2026-103280 (GCVE-0-2026-103280)
Vulnerability from nvd – Published: 2026-10-01 10:42 – Updated: 2026-10-01 13:32
VLAI
EPSS
VEX
Title
Ghost 0.8.0 before 6.23.0 Information Disclosure via Setup Endpoint
Summary
Ghost from version 0.8.0 before 6.23.0 contains an information disclosure vulnerability in its setup endpoint: the endpoint responds to unauthenticated requests with the site owner's email address, allowing any remote visitor to obtain it.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 13:32 UTC
CWE
- CWE-201 - Insertion of Sensitive Information Into Sent Data
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/TryGhost/Ghost/security/adviso… | vendor-advisory |
| https://www.vulncheck.com/advisories/ghost-0.8.0-… | third-party-advisory |
Impacted products
Date Public
2026-08-13 00:00
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CVE-2026-103279 (GCVE-0-2026-103279)
Vulnerability from nvd – Published: 2026-10-01 10:42 – Updated: 2026-10-01 10:42
VLAI
EPSS
VEX
Title
Ghost 3.10.0 before 6.34.0 Session Invalidation Bypass
Summary
Ghost versions from 3.10.0 before 6.34.0 fail to fully invalidate all sessions after a password change. Attackers with a stolen session cookie can maintain access to user accounts even after the associated user changes their password.
Severity
CWE
- CWE-613 - Insufficient Session Expiration
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/TryGhost/Ghost/security/adviso… | vendor-advisory |
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Impacted products
Date Public
2026-08-13 00:00
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CVE-2026-103278 (GCVE-0-2026-103278)
Vulnerability from nvd – Published: 2026-10-01 10:42 – Updated: 2026-10-01 14:36
VLAI
EPSS
VEX
Title
Ghost 5.8.0 before 6.34.0 Staff Account Takeover via Admin iframe
Summary
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Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 14:36 UTC
CWE
- CWE-23 - Relative Path Traversal
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/TryGhost/Ghost/security/adviso… | vendor-advisory |
| https://www.vulncheck.com/advisories/ghost-5.8.0-… | third-party-advisory |
Impacted products
Date Public
2026-08-13 00:00
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CVE-2026-103277 (GCVE-0-2026-103277)
Vulnerability from nvd – Published: 2026-10-01 10:42 – Updated: 2026-10-01 13:35
VLAI
EPSS
VEX
Title
Ghost 2.5.0 before 6.34.0 Untrusted Script Execution via oEmbed
Summary
Ghost versions from 2.5.0 before 6.34.0 contain an untrusted script execution vulnerability in the oEmbed preview feature that fails to sandbox externally hosted scripts. Attackers can craft malicious oEmbed content to execute scripts in the context of a staff user's admin session, potentially compromising administrative access.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 13:34 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/TryGhost/Ghost/security/adviso… | vendor-advisory |
| https://www.vulncheck.com/advisories/ghost-2.5.0-… | third-party-advisory |
Impacted products
Date Public
2026-08-13 00:00
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CVE-2026-103276 (GCVE-0-2026-103276)
Vulnerability from nvd – Published: 2026-10-01 10:42 – Updated: 2026-10-01 13:34
VLAI
EPSS
VEX
Title
Ghost before 6.20.0 File Read via URL Encoding Bypass
Summary
Ghost versions before 6.20.0 contain a file extension filtering bypass vulnerability that allows unauthenticated attackers to read theme templates and metadata. Attackers can use URL encoding to bypass extension validation and access sensitive theme files.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 13:34 UTC
CWE
- CWE-173 - Improper Handling of Alternate Encoding
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/TryGhost/Ghost/security/adviso… | vendor-advisory |
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Impacted products
Date Public
2026-08-13 00:00
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CVE-2026-103275 (GCVE-0-2026-103275)
Vulnerability from nvd – Published: 2026-10-01 10:42 – Updated: 2026-10-01 10:42
VLAI
EPSS
VEX
Title
Ghost 5.42.2 before 6.58.0 Password Hash Disclosure
Summary
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Severity
4.3 (Medium)
CWE
- CWE-203 - Observable Discrepancy
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/TryGhost/Ghost/security/adviso… | vendor-advisory |
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Impacted products
Date Public
2026-08-20 00:00
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CVE-2026-103274 (GCVE-0-2026-103274)
Vulnerability from nvd – Published: 2026-10-01 10:42 – Updated: 2026-10-01 14:41
VLAI
EPSS
VEX
Title
Ghost 5.3.0 before 6.58.0 Unauthenticated Comment Read
Summary
Ghost versions 5.3.0 before 6.58.0 fail to properly enforce access controls on comments in private mode. Unauthenticated visitors can read comments that should be restricted, bypassing privacy settings.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 14:41 UTC
CWE
- CWE-862 - Missing Authorization
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/TryGhost/Ghost/security/adviso… | vendor-advisory |
| https://www.vulncheck.com/advisories/ghost-5.3.0-… | third-party-advisory |
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Date Public
2026-08-20 00:00
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CVE-2026-103273 (GCVE-0-2026-103273)
Vulnerability from nvd – Published: 2026-10-01 10:42 – Updated: 2026-10-01 13:33
VLAI
EPSS
VEX
Title
Ghost 4.3.0 before 6.58.0 Incorrect Authorization via Staff Token
Summary
Ghost versions 4.3.0 before 6.58.0 contain an authentication bypass vulnerability where lower-privilege staff users can use staff tokens to bypass post editing restrictions. Attackers with staff credentials can leverage tokens to edit posts beyond their assigned privilege level.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 13:33 UTC
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/TryGhost/Ghost/security/adviso… | vendor-advisory |
| https://www.vulncheck.com/advisories/ghost-4.3.0-… | third-party-advisory |
Impacted products
Date Public
2026-08-20 00:00
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CVE-2026-103272 (GCVE-0-2026-103272)
Vulnerability from nvd – Published: 2026-10-01 10:42 – Updated: 2026-10-01 16:31
VLAI
EPSS
VEX
Title
Ghost 2.10.0 before 6.63.0 Staff Enumeration via Content API
Summary
Ghost versions from 2.10.0 before 6.63.0 contain a staff enumeration vulnerability in the content API that allows unauthenticated attackers to leak user data. Attackers can observe discrepancies in API metadata responses to enumerate staff members and extract sensitive information without authentication.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 16:30 UTC
CWE
- CWE-203 - Observable Discrepancy
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/TryGhost/Ghost/security/adviso… | vendor-advisory |
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Impacted products
Date Public
2026-09-11 00:00
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CVE-2026-103271 (GCVE-0-2026-103271)
Vulnerability from nvd – Published: 2026-10-01 10:42 – Updated: 2026-10-01 10:42
VLAI
EPSS
VEX
Title
Ghost 4.0.0 before 6.63.0 Restricted Content Bypass
Summary
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Severity
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
2 references
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|---|---|
| https://github.com/TryGhost/Ghost/security/adviso… | vendor-advisory |
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Impacted products
Date Public
2026-09-11 00:00
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CVE-2026-103269 (GCVE-0-2026-103269)
Vulnerability from nvd – Published: 2026-10-01 10:42 – Updated: 2026-10-01 14:59
VLAI
EPSS
VEX
Title
Ghost 5.3.0 before 6.62.0 Missing Authorization via Post Excerpts
Summary
Ghost versions 5.3.0 before 6.62.0 contain a missing authorization vulnerability that allows an authenticated site member to read the excerpts of posts they do not have access to (gated content).
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 14:59 UTC
CWE
- CWE-862 - Missing Authorization
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/TryGhost/Ghost/security/adviso… | vendor-advisory |
| https://www.vulncheck.com/advisories/ghost-5.3.0-… | third-party-advisory |
Impacted products
Date Public
2026-09-03 00:00
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CVE-2026-103268 (GCVE-0-2026-103268)
Vulnerability from nvd – Published: 2026-10-01 10:42 – Updated: 2026-10-01 13:33
VLAI
EPSS
VEX
Title
Ghost 1.0.0 before 6.62.0 Suspension Bypass via Password Reset
Summary
Ghost versions before 6.62.0 contain an authentication bypass vulnerability that allows suspended staff users to reactivate their accounts through self-service password reset. Attackers with suspended staff credentials can perform password reset operations to regain active account access and restore their original privileges.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 13:33 UTC
CWE
- CWE-862 - Missing Authorization
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/TryGhost/Ghost/security/adviso… | vendor-advisory |
| https://www.vulncheck.com/advisories/ghost-1.0.0-… | third-party-advisory |
Impacted products
Date Public
2026-09-03 00:00
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CVE-2026-103267 (GCVE-0-2026-103267)
Vulnerability from nvd – Published: 2026-10-01 10:42 – Updated: 2026-10-01 16:37
VLAI
EPSS
VEX
Title
Ghost 0.5.0 before 6.62.0 Arbitrary Email Registration via Staff Invite
Summary
Ghost versions before 6.62.0 contain an authentication bypass vulnerability in staff invite acceptance that allows users to specify any email address when creating their account. Attackers can accept leaked invite tokens with attacker-controlled email addresses, or legitimate recipients can register with unintended email providers.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 16:35 UTC
CWE
- CWE-807 - Reliance on Untrusted Inputs in a Security Decision
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/TryGhost/Ghost/security/adviso… | vendor-advisory |
| https://www.vulncheck.com/advisories/ghost-0.5.0-… | third-party-advisory |
Impacted products
Date Public
2026-09-03 00:00
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CVE-2026-103266 (GCVE-0-2026-103266)
Vulnerability from nvd – Published: 2026-10-01 10:42 – Updated: 2026-10-01 10:42
VLAI
EPSS
VEX
Title
Ghost 5.2.0 before 6.62.0 Unauthenticated Stripe Checkout Account Modification
Summary
Ghost versions 5.2.0 through versions prior to 6.62.0 allow a remote attacker, without authentication, to abuse the Stripe Checkout flow to attach a paid subscription to an existing member, modify that member's name, and inject content into newsletters sent to the member. Depending on the recipient's email client, the injected content may be rendered, resulting in HTML injection or cross-site scripting (XSS).
Severity
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/TryGhost/Ghost/security/adviso… | vendor-advisory |
| https://www.vulncheck.com/advisories/ghost-5.2.0-… | third-party-advisory |
Impacted products
Date Public
2026-09-03 00:00
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CVE-2026-103292 (GCVE-0-2026-103292)
Vulnerability from cvelistv5 – Published: 2026-10-01 10:42 – Updated: 2026-10-01 13:04
VLAI
EPSS
VEX
Title
Ghost 0.5.3 before 6.50.0 Cross-Site Scripting via ghost_head
Summary
Ghost versions from 0.5.3 through versions prior to 6.50.0 fail to sanitize the data placed in the JSON-LD HTML tag emitted by the {{ghost_head}} helper. An authenticated user with limited privileges can inject unescaped content that is rendered as script in the published page, potentially leading to compromise of a staff user's admin session when that user views the affected page.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 12:56 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/TryGhost/Ghost/security/adviso… | vendor-advisory |
| https://www.vulncheck.com/advisories/ghost-0.5.3-… | third-party-advisory |
Impacted products
Date Public
2026-09-08 00:00
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CVE-2026-103291 (GCVE-0-2026-103291)
Vulnerability from cvelistv5 – Published: 2026-10-01 10:42 – Updated: 2026-10-01 10:42
VLAI
EPSS
VEX
Title
Ghost 3.20.2 before 6.51.0 SSRF via image-size fetch
Summary
Ghost versions from 3.20.2 before 6.51.0 contain a server-side request forgery vulnerability in image dimension refetching that allows authenticated staff users to trigger outbound HTTP requests to arbitrary URLs. Attackers can point image cards at attacker-controlled hosts or internal network endpoints to access metadata services and internal resources unavailable from the public internet.
Severity
6.4 (Medium)
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/TryGhost/Ghost/security/adviso… | vendor-advisory |
| https://www.vulncheck.com/advisories/ghost-3.20.2… | third-party-advisory |
Impacted products
Date Public
2026-09-09 00:00
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CVE-2026-103290 (GCVE-0-2026-103290)
Vulnerability from cvelistv5 – Published: 2026-10-01 10:42 – Updated: 2026-10-01 14:37
VLAI
EPSS
VEX
Title
Ghost 6.14.0 before 6.27.0 Path Traversal via ImageSize
Summary
Ghost versions 6.14.0 through versions prior to 6.27.0 contain a path traversal vulnerability in the ImageSize service. Insufficient input validation of user-supplied file paths may allow authenticated staff users to access local files outside the intended data storage directories on the server.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 14:37 UTC
CWE
- CWE-35 - Path Traversal: '.../...//'
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/TryGhost/Ghost/security/adviso… | vendor-advisory |
| https://www.vulncheck.com/advisories/ghost-6.14.0… | third-party-advisory |
Impacted products
Date Public
2026-08-11 00:00
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CVE-2026-103289 (GCVE-0-2026-103289)
Vulnerability from cvelistv5 – Published: 2026-10-01 10:42 – Updated: 2026-10-01 13:24
VLAI
EPSS
VEX
Title
Ghost 5.9.0 before 6.44.1 Authorization Bypass via Comments
Summary
Ghost from 5.9.0 before 6.44.1 contains an input validation issue in the comments feature that allows authenticated members to access comments they are not authorized to view, resulting in disclosure of restricted comment data.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 13:23 UTC
CWE
- CWE-943 - Improper Neutralization of Special Elements in Data Query Logic
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/TryGhost/Ghost/security/adviso… | vendor-advisory |
| https://www.vulncheck.com/advisories/ghost-5.9.0-… | third-party-advisory |
Impacted products
Date Public
2026-08-11 00:00
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