Vulnerability in Wp Fastest Cache

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.

EPSS: 0.001 (1.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: 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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-74916?
CVE-2026-74916 is a medium-severity vulnerability in Wp Fastest Cache, classified under CWE-349. CVSS score: 6.5/10. Published 2026-09-01.
How severe is CVE-2026-74916?
Medium severity. CVSS v3 base score is 6.5 out of 10.