CVE-2026-74916
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.
- Published Sep 1, 2026
- CVSS 6.5 medium
- 0.2% chance of exploitation in the next 30 days (EPSS)
- A fix is available