CVE-2025-54880
Description
Mermaid is a JavaScript based diagramming and charting tool that uses Markdown-inspired text definitions and a renderer to create and modify complex diagrams. In the default configuration of mermaid 11.9.0 and earlier, user supplied input for architecture diagram icons is passed to the d3 html() method, creating a sink for cross site scripting. This vulnerability is fixed in 11.10.0.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bullseye | fixed | 0 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| npm | mermaid | >=11.1.0,<11.10.0 | 11.10.0 |
References
- https://github.com/mermaid-js/mermaid/security/advisories/GHSA-8gwm-58g9-j8pw
- https://nvd.nist.gov/vuln/detail/CVE-2025-54880
- https://github.com/mermaid-js/mermaid/commit/2aa83302795183ea5c65caec3da1edd6cb4791fc
- https://github.com/mermaid-js/mermaid/commit/734bde38777c9190a5a72e96421c83424442d4e4
- https://github.com/mermaid-js/mermaid
- https://security-tracker.debian.org/tracker/CVE-2025-54880
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.