CVE-2024-53266

MEDIUM

Discourse - Cross-Site Scripting in User Profile Activity Streams

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1
Core References

Scores

CVSS v3 4.3
EPSS 0.0022
EPSS Percentile 43.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (3)
discourse/discourse 3.4.0 beta1 (3 CPE variants)
discourse/discourse < 3.3.3
discourse/discourse < 3.4.0
Published Feb 04, 2025
Tracked Since Feb 18, 2026