CVE-2025-54881
Last modified
CVE-2025-54881 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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 10.9.0-rc.1 to 11.9.0, user supplied input for sequence diagram labels is passed to innerHTML during calculation of element size, causing XSS.. EPSS estimates a 0.71% chance of exploitation in the next 30 days.
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 10.9.0-rc.1 to 11.9.0, user supplied input for sequence diagram labels is passed to innerHTML during calculation of element size, causing XSS.
Metrics
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2025-54881?
How severe is CVE-2025-54881?
How do I fix CVE-2025-54881?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2025
- CVE-2025-54876The Janssen Project is an open-source identity and access ma…6.9
- CVE-2025-54877Tuleap is an Open Source Suite created to facilitate managem…5.3
- CVE-2025-54878CryptoLib provides a software-only solution using the CCSDS …8.6
- CVE-2025-54879Mastodon is a free, open-source social network server based …7.5
- CVE-2025-5488The WP Masonry & Infinite Scroll plugin for WordPress is vul…5.4
- CVE-2025-54880Mermaid is a JavaScript based diagramming and charting tool …6.1
- CVE-2025-54882Himmelblau is an interoperability suite for Microsoft Azure …7.1
- CVE-2025-54883Vision UI is a collection of enterprise-grade, dependency-fr…9.3
- CVE-2025-54884Vision UI is a collection of enterprise-grade, dependency-fr…8.7
- CVE-2025-54885Thinbus Javascript Secure Remote Password is a browser SRP6a…6.9
- CVE-2025-54886skops is a Python library which helps users share and ship t…8.4
- CVE-2025-54887jwe is a Ruby implementation of the RFC 7516 JSON Web Encryp…9.1
Are you affected by CVE-2025-54881?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST