CVE-2024-51915 MEDIUM

CVE-2024-51915: WordPress LiteSpeed Cache plugin <= 6.5.2 - Cross Site Scripting (XSS) vulnerability

Vendor Litespeed Technologies
Product LiteSpeed Cache
Weakness CWE-79 · XSS
Published February 20, 2026
Last update April 28, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

What the vulnerability does

01Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in LiteSpeed Technologies LiteSpeed Cache litespeed-cache allows Stored XSS.This issue affects LiteSpeed Cache: from n/a through <= 6.5.2.

Explanation of Vulnerability in Simple Terms

02Summary

LiteSpeed Cache versions up to 6.5.2 contain a stored cross-site scripting (XSS) vulnerability. An authenticated user with low privileges can inject malicious scripts that execute in the browsers of other users, including administrators. The vulnerability requires user interaction to trigger. This affects the integrity and confidentiality of site data and user sessions.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers, potentially stealing session tokens or admin credentials.

Potential impact on your site

04Site Impact

Authenticated users can compromise other users' accounts and sessions, including administrator access, through stored XSS.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege account on the site; victim must visit a page containing the injected payload.

Key dates

06Disclosure timeline

February 20, 2026 CVE published
April 28, 2026 Record updated