CVE-2024-53266 MEDIUM

CVE-2024-53266: Cross-site Scripting (XSS) via topic titles when CSP disabled in Discourse

Vendor Discourse
Product discourse
Weakness CWE-79 · XSS
Published February 4, 2025
Last update February 4, 2025

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Discourse is an open source platform for community discussion. In affected versions with some combinations of plugins, and with CSP disabled, activity streams in the user's profile page may be vulnerable to XSS. This has been patched in the latest version of Discourse core. Users are advised to upgrade. Users unable to upgrade should ensure CSP is enabled.

Key dates

02Disclosure timeline

February 4, 2025 CVE published
February 4, 2025 Record updated