SB2024020609 - Cross-site scripting in Discourse
Published: February 6, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Cross-site scripting (CVE-ID: CVE-2024-23834)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote user can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Remediation
Install update from vendor's website.
References
- https://github.com/discourse/discourse/security/advisories/GHSA-rj3g-8q6p-63pc
- https://github.com/discourse/discourse/commit/568d704a94c528b7c2cb0f3512a7b7b606bc3000
- https://meta.discourse.org/t/3-1-5-security-and-bug-fix-release/293094
- https://meta.discourse.org/t/3-2-0-beta5-add-groups-to-dms-mobile-chat-footer-redesign-passkeys-enabled-by-default-and-more/293093