CVE-2025-32379

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 v3 5.0 MEDIUM

5.0^/10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.6 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/koajs/koa/commit/ff25eb4a7f2392df46481fe86355161067687312	Patch
https://github.com/koajs/koa/security/advisories/GHSA-x2rg-q646-7m2v	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:koajs:koa::::::node.js::*
	cpe:2.3:a:koajs:koa:3.0.0:alpha0::::node.js::*
	cpe:2.3:a:koajs:koa:3.0.0:alpha1::::node.js::*
	cpe:2.3:a:koajs:koa:3.0.0:alpha2::::node.js::*
	cpe:2.3:a:koajs:koa:3.0.0:alpha3::::node.js::*
	cpe:2.3:a:koajs:koa:3.0.0:alpha4::::node.js::*

History

14 Jan 2026, 14:36

Type	Values Removed	Values Added
Summary		(es) Koa es un middleware expresivo para Node.js que utiliza funciones asíncronas de ES2017. En koa anteriores a la 2.16.1 y a la 3.0.0-alpha.5, pasar información de usuario no confiable a ctx.redirect(), incluso después de depurarla, puede ejecutar código JavaScript en el usuario que usa la aplicación. Este problema se ha corregido en las versiones 2.16.1 y 3.0.0-alpha.5.
CPE		cpe:2.3:a:koajs:koa:3.0.0:alpha0::::node.js::* cpe:2.3:a:koajs:koa:3.0.0:alpha2::::node.js::* cpe:2.3:a:koajs:koa::::::node.js::* cpe:2.3:a:koajs:koa:3.0.0:alpha1::::node.js::* cpe:2.3:a:koajs:koa:3.0.0:alpha4::::node.js::* cpe:2.3:a:koajs:koa:3.0.0:alpha3::::node.js::*
First Time		Koajs koa Koajs
References	~~() https://github.com/koajs/koa/commit/ff25eb4a7f2392df46481fe86355161067687312 -~~	() https://github.com/koajs/koa/commit/ff25eb4a7f2392df46481fe86355161067687312 - Patch
References	~~() https://github.com/koajs/koa/security/advisories/GHSA-x2rg-q646-7m2v -~~	() https://github.com/koajs/koa/security/advisories/GHSA-x2rg-q646-7m2v - Patch, Vendor Advisory

09 Apr 2025, 16:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-04-09 16:15

Updated : 2026-01-14 14:36

NVD link : CVE-2025-32379

Mitre link : CVE-2025-32379

CVE.ORG link : CVE-2025-32379

JSON object : View

Products Affected

koajs

CWE

CWE-79

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

5.0 /10