CVE-2026-76579

The LiteSpeed Cache plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'esi' parameter in all versions up to, and including, 7.9 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scrip...

CVE-2026-76579

LiteSpeed Cache for WordPress (all versions up to and including 7.9 ) contains a Reflected Cross-Site Scripting vulnerability in the ESI (esi) parameter due to insufficient input sanitization and output escaping. An unauthenticated attacker can inject arbitrary scripts by supplying a validly sign...

EUVD-2026-83568

The LiteSpeed Cache plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'esi' parameter in all versions up to, and including, 7.9 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scrip...

CVE-2026-76579 LiteSpeed Cache <= 7.9 - Reflected Cross-Site Scripting via ESI 'esi' Parameter

The LiteSpeed Cache plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'esi' parameter in all versions up to, and including, 7.9 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scrip...