CVE-2025-46824 json
Discourse Code Review Plugin vulnerable to XSS via auto link commits
published 2025-05-07 18 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-13882
- cvss
- 3.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 28%
- public exploits
- 0
- none known
Summary
The Discourse Code Review Plugin allows users to review GitHub commits on Discourse. Prior to commit eed3a80, an attacker can execute arbitrary JavaScript on users' browsers by posting links to malicious GitHub commits. This problem is patched in commit eed3a80 of the discourse-code-review plugin. As a workaround, one may disable the plugin.
Patch / fix
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 18 mo ago
Exploit prediction
0.34% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.1 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N |
Affected products
- discourse discourse-code-review
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
- github.com /discourse/discourse-code-review/commit/eed3a801f8fee217fe782212d8950eb1bd236e43
- github.com /discourse/discourse-code-review/security/advisories/GHSA-358v-cwvc-gxh5
- vicarius.io /vsociety/posts/cve-2025-46824-detect-discourse-plugin-vulnerability
- vicarius.io /vsociety/posts/cve-2025-46824-mitigate-discourse-plugin-vulnerability
Sources
- CVE List CVE-2025-46824
- NVD CVE-2025-46824
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.