CVE-2025-32379

Published: Apr 9, 2025Modified: Jun 17, 2026

6.1

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploitability: 2.8 / Impact: 2.7

Source: NVD

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.

Affected (6)

Products: Koajs: Koa

Koajs

1 product

Koa

Configuration A

6 vulnerable

Vulnerable Software	Affected Versions
Koajs Koa	Before 2.16.1
Koajs Koa	Version 3.0.0 alpha0
Koajs Koa	Version 3.0.0 alpha1
Koajs Koa	Version 3.0.0 alpha2
Koajs Koa	Version 3.0.0 alpha3
Koajs Koa	Version 3.0.0 alpha4

Related CWEs

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (2)

https://github.com/koajs/koa/commit/ff25eb4a7f2392df46481fe86355161067687312

Source: security-advisories@github.com

Patch

https://github.com/koajs/koa/security/advisories/GHSA-x2rg-q646-7m2v

Source: security-advisories@github.com

PatchVendor Advisory

Timeline

No history available yet.