Cross-Site Scripting in diagram-js
Versions of diagram-js prior to 3.3.1 (for 3.x) and 2.6.2 (for 2.x) are vulnerable to Cross-Site Scripting. The package fails to escape output of user-controlled input in search-pad, allowing attackers to execute arbitrary JavaScript.
Recommendation
If you are using diagram-js 3.x, upgrade to version 3.3.1. If you are using diagram-js 2.x, upgrade to version 2.6.2.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | diagram-js | < 2.6.2, >= 3.0.0, < 3.3.1 | 2.6.2, 3.3.1 |
References
- Weakness (CWE)
CWE-79- Platform
- npm
- Package
diagram-js- Disclosed
- 11.09.2020
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-8fw4-xh83-3j6q - CC BY 4.0
Vulnerability history: diagram-js
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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