Discourse improperly sanitized user input leads to XSS
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.3epss 0.5%
exploitation probability
0.5%top 61% of all CVEs
observed exploitation
nono source reports it
Discourse is an open-source discussion platform. Improperly sanitized user input could lead to an XSS vulnerability in some situations. This vulnerability only affects Discourse instances which have disabled the default Content Security Policy. The vulnerability is patched in 3.1.5 and 3.2.0.beta5. As a workaround, ensure Content Security Policy is enabled and does not include `unsafe-inline`.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Affected products
discourse · discourseReferences
https://github.com/discourse/discourse/commit/568d704a94c528b7c2cb0f3512a7b7b606bc3000https://github.com/discourse/discourse/security/advisories/GHSA-rj3g-8q6p-63pchttps://meta.discourse.org/t/3-1-5-security-and-bug-fix-release/293094https://meta.discourse.org/t/3-2-0-beta5-add-groups-to-dms-mobile-chat-footer-redesign-passkeys-enabled-by-default-and-more/293093