CVE-2026-72729CWE-79cross-site-scripting

CVE-2026-72729

published August 10, 2026

CVSS
2.0
EPSS
0%
Percentile
40.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
2.0 · NONE
CVSS v4.0
Not supplied
EPSS
0.00483 · 40.7th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-08-10T21:17Z
References (5)
https://github.com/discourse/discourse/commit/9768f476ed86ea202440cd2b6245af8a4f94ec69 · [email protected]https://github.com/discourse/discourse/commit/981ba23d33d2e2d98f6690734116af58f2cea938 · [email protected]https://github.com/discourse/discourse/commit/a7e509bfa1aa6288b447503de6ef798c31a62751 · [email protected]https://github.com/discourse/discourse/commit/d5d5055fbdf04d5bd72fcaa7e4257fac5adac049 · [email protected]https://github.com/discourse/discourse/security/advisories/GHSA-rw96-2xg7-h54g · [email protected]
EPSS history
Timeline
  • 10 AUG 16:15Z
    Discourse: Stored XSS in discourse-local-dates plugin
    cvelistv5