Vulnerability in Wp Fastest Cache
CVE-2026-74932
The WP Fastest Cache WordPress plugin before 1.5.1 does not validate the Host header before using it to build the URLs of the asset files it embeds in the pages it caches, and does not include that header in the cache key, allowing unauthenticated attackers to poison cached pages with references to a server they control and have arbitrary JavaScript run for every subsequent visitor.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Unknown Wp Fastest Cache
References
- contact@wpscan.com (technical-description, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2026-74932?
- CVE-2026-74932 is a high-severity vulnerability in Wp Fastest Cache, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 7.5/10. Published 2026-08-25.
- How severe is CVE-2026-74932?
- High severity. CVSS v3 base score is 7.5 out of 10.