VulnSocial

CVE-2025-54881Disclosure

LOWCVSS 5.3 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD 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.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-79

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-04-24: 1Technical Details · 2026-04-24: 104-24
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
Full discourse1 post
  • DailyCVE@dailycve
    Disclosure

    🟠 @excalidraw/excalidraw, XSS via Mermaid dependency, #CVE-2025-54881 (Moderate) https://dailycve.com/excalidraw-excalidraw-xss-via-mermaid-dependency-cve-2025-54881-moderate/

    Post summary

    A new moderate‑severity XSS vulnerability (CVE-2025‑54881) has been disclosed for Excalidraw via its Mermaid dependency.

    00000244
    183 followersView on X

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