CVE-2026-72729
2
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Summary
Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, the discourse-local-dates plugin rendered crafted local-date format data as HTML on sites 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
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| discourse | discourse | < 2026.1.6 | affected |
| discourse | discourse | >= 2026.5.0-latest, < 2026.5.2 | affected |
| discourse | discourse | >= 2026.6.0-latest, < 2026.6.1 | affected |
Weaknesses
- CWE-79: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References
- https://github.com/discourse/discourse/security/advisories/GHSA-rw96-2xg7-h54g
- https://github.com/discourse/discourse/commit/9768f476ed86ea202440cd2b6245af8a4f94ec69
- https://github.com/discourse/discourse/commit/981ba23d33d2e2d98f6690734116af58f2cea938
- https://github.com/discourse/discourse/commit/a7e509bfa1aa6288b447503de6ef798c31a62751
- https://github.com/discourse/discourse/commit/d5d5055fbdf04d5bd72fcaa7e4257fac5adac049
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