CVE-2024-23834

Summary

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.

Affected Software

Weaknesses

• CWE-79: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

ADP Enrichment

CVE Program Container

Additional 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

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

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

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