CVE-2026-72727

Summary

Discourse is an open-source discussion platform. Prior to 026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, a low-privileged user could place crafted content in the moderation review queue that executed stored cross-site scripting when a moderator viewed it on a site with a modified or disabled default Content Security Policy. This issue is fixed in versions 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0.

Affected Software

VendorProductVersion RangeStatus
discoursediscourse< 2026.1.6affected
discoursediscourse>= 2026.5.0-latest, < 2026.5.2affected
discoursediscourse>= 2026.6.0-latest, < 2026.6.1affected

Weaknesses

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

References