KEV Entry

CVE-2021-36888

Known Exploited Vulnerability Entry Previdian

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Entry Details
Confirmed Exploited

CVE-2021-36888

2021-12-15 19:06 CET

Timestamps

2021-12-15

2021-12-15

Scope

WordPress Image Hover Effects Ultimate plugin <= 9.6.1 - Unauthenticated Arbitrary Options Update leading to full website compromise | Affected: Oxilab / Image Hover Effects Ultimate (WordPress plugin) | CVSS: 9.8 (CRITICAL) | EPSS: 0.06685 | Used in malware: unknown | Not yet in CISA KEV: True

References
  • {'id': 'CVE-2021-36888', 'url': 'https://www.cve.org/CVERecord?id=CVE-2021-36888'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2021-36888'}

362cef42-9ac6-41be-be3f-04d9c1a18dfd

Previdian
caeb2787-0d58-4236-9039-7c86c3e566f3

2026-10-02 09:11 CEST

2026-10-02 09:11 CEST

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report previdian successful_exploitation 0.70
View details 
{
  "added_date": "2021-12-15T18:06:58.000Z",
  "ahead_of_cisa_kev": null,
  "cve_id": "CVE-2021-36888",
  "cvss_estimated": false,
  "cvss_score": 9.8,
  "cvss_severity": "CRITICAL",
  "epss_percentile": 0.93698,
  "epss_score": 0.06685,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": null,
  "not_yet_in_cisa_kev": true,
  "previous_ids": [],
  "product": "Image Hover Effects Ultimate (WordPress plugin)",
  "title": "WordPress Image Hover Effects Ultimate plugin \u003c= 9.6.1 - Unauthenticated Arbitrary Options Update leading to full website compromise",
  "used_in_malware": "unknown",
  "vendor": "Oxilab",
  "virtual_patch": false,
  "vulnerability_id": "CVE-2021-36888"
}
 -
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