CVE-2026-23630
- Source
- https://cve.org/CVERecord?id=CVE-2026-23630
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-23630.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-23630
- Aliases
-
- GHSA-r4hj-mc62-jmwj
- Published
- 2026-01-21T22:51:27.158Z
- Modified
- 2026-03-01T02:23:15.737684Z
- Severity
-
- 6.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N CVSS Calculator
- Summary
- Docmost is vulnerable to stored Cross-Site Scripting (XSS) through Mermaid rendering
- Details
-
Docmost is open-source collaborative wiki and documentation software. In versions 0.3.0 through 0.23.2, Mermaid code block rendering is vulnerable to stored Cross-Site Scripting (XSS). The frontend can render attacker-controlled Mermaid diagrams using mermaid.render(), then inject the returned SVG/HTML into the DOM via dangerouslySetInnerHTML without sanitization. Mermaid per-diagram %%{init}%% directives allow overriding securityLevel and enabling htmlLabels, permitting arbitrary HTML/JS execution for any viewer. This issue has been fixed in version 0.24.0.
- Database specific
{ "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23630.json", "cna_assigner": "GitHub_M", "cwe_ids": [ "CWE-116", "CWE-79" ] }- References
-
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23630.json
- https://github.com/docmost/docmost/commit/cb9f27da9a8b4940760e37e5238a1eb91e427daf
- https://github.com/docmost/docmost/releases/tag/v0.24.0
- https://github.com/docmost/docmost/security/advisories/GHSA-r4hj-mc62-jmwj
- https://nvd.nist.gov/vuln/detail/CVE-2026-23630