CVE-2026-72729Discourse: Stored XSS in discourse-local-dates plugin
Updated under an hour ago ()
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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.
- CVSS
- 2.0 LOW (v4.0, CNA)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
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- GitHub_M
- NVD analysis
- Deferred
- Record last updated
- Aug 11, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
discourse discourse discourse:discourse (from the name) | before 2026.1.6; from 2026.5.0-latest, < 2026.5.2; from 2026.6.0-latest, < 2026.6.1 | CNA record |
References
- https://github.com/discourse/discourse/security/advisories/GHSA-rw96-2xg7-h54gx-refsource-confirm
- https://github.com/discourse/discourse/commit/9768f476ed86ea202440cd2b6245af8a4f94ec69x-refsource-misc
- https://github.com/discourse/discourse/commit/981ba23d33d2e2d98f6690734116af58f2cea938x-refsource-misc
- https://github.com/discourse/discourse/commit/a7e509bfa1aa6288b447503de6ef798c31a62751x-refsource-misc
- https://github.com/discourse/discourse/commit/d5d5055fbdf04d5bd72fcaa7e4257fac5adac049x-refsource-misc
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.