CVE-2026-72727CWE-79cross-site-scripting

CVE-2026-72727

published August 10, 2026

CVSS
4.8
EPSS
0%
Percentile
32.7
In the wild
Unconfirmed
What it is

Discourse is an open-source discussion platform. Prior to 026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, a low-privileged user could place crafted content in the moderation review queue that executed stored cross-site scripting when a moderator viewed it on a site 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
4.8 · NONE
CVSS v4.0
Not supplied
EPSS
0.00396 · 32.7th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-08-10T21:17Z
References (1)
https://github.com/discourse/discourse/security/advisories/GHSA-pq6q-p5g3-rj54 · [email protected]
EPSS history
Timeline
  • 10 AUG 16:08Z
    Discourse: Stored XSS in the moderation review queue
    cvelistv5