CVE-2021-24212 (GCVE-0-2021-24212)

Vulnerability from cvelistv5 – Published: 2021-04-05 18:27 – Updated: 2024-08-03 19:21
VLAI Previdian
Title
WooCommerce Help Scout < 2.9.1 - Unauthenticated Arbitrary File Upload leading to RCE
Summary
The WooCommerce Help Scout WordPress plugin before 2.9.1 (https://woocommerce.com/products/woocommerce-help-scout/) allows unauthenticated users to upload any files to the site which by default will end up in wp-content/uploads/hstmp.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
Vendor Product Version
Unknown WooCommerce Help Scout Affected: 2.9.1 , < 2.9.1 (custom)
Create a notification for this product.
Credits
Ville Korhonen / Seravo
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 5f48d215-7a4d-4a59-a608-59ee9927865f

Vulnerability ID: CVE-2021-24212

Status: Confirmed

Status Updated: 2025-11-30 01:00 CET

Exploited: Yes

Timestamps
First Seen: 2025-11-30
Asserted: 2025-11-30
Scope
Notes: WooCommerce Help Scout < 2.9.1 - Unauthenticated Arbitrary File Upload leading to RCE | Affected: WooCommerce / WooCommerce Help Scout | CVSS: 9.8 (CRITICAL) | EPSS: 0.07908 | Used in malware: unknown | Not yet in CISA KEV: True
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: previdian

Details
Feed Previdian (previdian.com)
Title WooCommerce Help Scout < 2.9.1 - Unauthenticated Arbitrary File Upload leading to RCE
Cve Id CVE-2021-24212
Vendor WooCommerce
Ghsa Id None
Product WooCommerce Help Scout
Added Date 2025-11-30T00:00:00.000Z
Cvss Score 9.8
Epss Score 0.07908
Previous Ids
Cvss Severity CRITICAL
Virtual Patch False
Cvss Estimated False
Epss Percentile 0.94548
Used In Malware unknown
Vulnerability Id CVE-2021-24212
Ahead Of Cisa Kev None
Not Yet In Cisa Kev True
References
Created: 2026-10-02 09:09 CEST | Updated: 2026-10-02 09:09 CEST
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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