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.

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.002 (3.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-74916: held from 0.001 to 0.002.

EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.000

Affected products

  • 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.