---
id: CVE-2026-72725
title: Discourse is an open-source discussion platform
summary: >-
  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…
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'
cwe:
  - CWE-79
published: '2026-08-10'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T20:54:37.790'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-72725'
references:
  - url: >-
      https://github.com/discourse/discourse/commit/66601a6e6eeeabfcb06d2f692d68534be12de082
    label: security-advisories@github.com
  - url: >-
      https://github.com/discourse/discourse/commit/74ae22d85f4e13c7c7f2e3c13fce023feec7e033
    label: security-advisories@github.com
  - url: >-
      https://github.com/discourse/discourse/commit/fd44510b4303e7f8f0b42bd070a2d42d3cda259f
    label: security-advisories@github.com
  - url: >-
      https://github.com/discourse/discourse/security/advisories/GHSA-8x29-vv56-wj6v
    label: security-advisories@github.com
tags:
  - nvd
epss: 0.00298
epssPercentile: 0.20089
ingestedAt: '2026-09-08T21:11:12.273Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.