CVE-2026-74916

Medium

Description

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.

SeverityMedium
CVSS6.5
Exploit probability—
ProductWP Fastest Cache
PublishedSep 1, 2026
First seenSep 1, 2026
Weakness typeCWE-349CWE-349

How to fix

Update
  • WP Fastest Cache1.5.1 or later

Affected products

ProductAffected versionsFixed in
WP Fastest Cache0.8.7.7 ≤ v < 1.5.11.5.1

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