Vulnerability Description
Koa is expressive middleware for Node.js using ES2017 async functions. In koa < 2.16.1 and < 3.0.0-alpha.5, passing untrusted user input to ctx.redirect() even after sanitizing it, may execute javascript code on the user who use the app. This issue is patched in 2.16.1 and 3.0.0-alpha.5.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Koajs | Koa | < 2.16.1 |
Related Weaknesses (CWE)
References
- https://github.com/koajs/koa/commit/ff25eb4a7f2392df46481fe86355161067687312Patch
- https://github.com/koajs/koa/security/advisories/GHSA-x2rg-q646-7m2vPatchVendor Advisory
FAQ
What is CVE-2025-32379?
CVE-2025-32379 is a vulnerability with a CVSS score of 5.0 (MEDIUM). Koa is expressive middleware for Node.js using ES2017 async functions. In koa < 2.16.1 and < 3.0.0-alpha.5, passing untrusted user input to ctx.redirect() even after sanitizing it, may execute javascr...
How severe is CVE-2025-32379?
CVE-2025-32379 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-32379?
Check the references section above for vendor advisories and patch information. Affected products include: Koajs Koa.