Vulnerabilities CVE-2026-72727

CVE-2026-72727

Medium

Open

TLP:CLEAR

Discourse: Stored XSS in the moderation review queue

NVD CVE.org

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Description

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.

Details

CVSS Score: 4.8
EPSS Score ⓘ: 0.23%

14.4th percentile
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Confidence: 90%
Published: Aug 10, 2026
Last Modified: Aug 13, 2026

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