CVE-2026-74932: CWE-79 Cross-Site Scripting (XSS) in WP Fastest Cache
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.
CVE-2026-74932: CWE-79 Cross-Site Scripting (XSS) in WP Fastest Cache
Description
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 v3.1
Score 7.5high
Affected software
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-08-17T11:37:30.321Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a8df9edacd9273b49ac741d
Added to database: 08/25/2026, 20:24:13 UTC
Last updated: 08/25/2026, 21:07:03 UTC
Views: 5
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