What’s Vulnerable › Vulnerabilities

CVE-2025-46824: Discourse Code Review Plugin vulnerable to XSS via auto link commits

• Severity: low (CVSS 3.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-05-07 · updated 2026-06-17
• Weakness: CWE-79

Description

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.

Affected products

• discourse-code-review: before eed3a80

References

• https://github.com/discourse/discourse-code-review/commit/eed3a801f8fee217fe782212d8950eb1bd236e43
• https://github.com/discourse/discourse-code-review/security/advisories/GHSA-358v-cwvc-gxh5
• https://www.vicarius.io/vsociety/posts/cve-2025-46824-detect-discourse-plugin-vulnerability
• https://www.vicarius.io/vsociety/posts/cve-2025-46824-mitigate-discourse-plugin-vulnerability

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