CVE-2026-72725CWE-79cross-site-scripting

CVE-2026-72725

Medium · published August 10, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
21.4
In the wild
Unconfirmed
What it is

Discourse is an open-source discussion platform. Prior to 2026.1.6, the staff action log model rendered unescaped previous and new value fields that could inject stored cross-site scripting into the staff interface. The issue is fixed in 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00298 · 21.4th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-08-10T20:19Z
References (4)
https://github.com/discourse/discourse/commit/66601a6e6eeeabfcb06d2f692d68534be12de082 · [email protected]https://github.com/discourse/discourse/commit/74ae22d85f4e13c7c7f2e3c13fce023feec7e033 · [email protected]https://github.com/discourse/discourse/commit/fd44510b4303e7f8f0b42bd070a2d42d3cda259f · [email protected]https://github.com/discourse/discourse/security/advisories/GHSA-8x29-vv56-wj6v · [email protected]
EPSS history
Timeline
  • 10 AUG 16:02Z
    Discourse: Stored XSS in staff action logs injects staff UI
    cvelistv5