Low severity · published Aug 10, 2026
CVE-2026-72729
Discourse: Stored XSS in discourse-local-dates plugin
2.0
CVSS
0.5%
EPSS
No
On KEV
Description
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DI
discourse · discourse
< 2026.1.6; >= 2026.5.0-latest, < 2026.5.2; >= 2026.6.0-latest, < 2026.6.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-72729
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-72729
github.com
https://github.com/discourse/discourse/commit/9768f476ed86ea202440cd2b6245af8a4f94ec69
github.com
https://github.com/discourse/discourse/commit/981ba23d33d2e2d98f6690734116af58f2cea938
github.com
https://github.com/discourse/discourse/commit/a7e509bfa1aa6288b447503de6ef798c31a62751
github.com
https://github.com/discourse/discourse/commit/d5d5055fbdf04d5bd72fcaa7e4257fac5adac049
github.com
https://github.com/discourse/discourse/security/advisories/GHSA-rw96-2xg7-h54g
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