CVE-2026-74916mediumCWE-349

CVE-2026-74916: medium-severity vulnerability in WP Fastest Cache

WP Fastest Cache 0.8.7.7 - 1.5.0 - Unauthenticated Cache Poisoning via Unkeyed Tracking Parameters

Published

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33Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 6.5epss 0.2%
The WP Fastest Cache WordPress plugin before 1.5.1 does not include a set of tracking-related query parameters in its page-cache key while still caching pages requested with them, allowing unauthenticated attackers to have a page rendered under their own request context stored under, and served from, the clean URL's cache entry to every subsequent visitor.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Affected products
Unknown · WP Fastest Cache
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — WP Fastest Cache

In the same product, most dangerous first.

CVE-2023-6063—WP Fastest Cache < 1.2.2 - Unauthenticated SQL InjectionEPSS 73.7%CVE-2023-1938HIGHWP Fatest Cache < 1.1.5 - Blind SSRF via CSRFEPSS 8.5%CVE-2021-24869HIGHWP Fastest Cache < 0.9.5 - Subscriber+ SQL InjectionEPSS 1.2%CVE-2026-74932HIGHWP Fastest Cache 0.9.0.3 - 1.5.0 - Unauthenticated Stored XSS via Host Header Cache PoisoningEPSS 0.4%CVE-2021-24870MEDIUMWP Fastest Cache < 0.9.5 - CSRF to Stored Cross-Site ScriptingEPSS 0.3%