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CVE-2025-32379 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.1 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CNA: [email protected]CVSS-B:5 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/koajs/koa/commit/ff25eb4a7f2392df46481fe86355161067687312	[email protected]	Patch
https://github.com/koajs/koa/security/advisories/GHSA-x2rg-q646-7m2v	[email protected]	PatchVendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-79	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')	[email protected]

Affected Products

Product	Versions
koajs koa	< 2.16.1 3.0.0 alpha0 3.0.0 alpha1 3.0.0 alpha2 3.0.0 alpha3
CPE 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::* Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Jan 14, 2026	Initial Analysis	[email protected]
Apr 9, 2025	New CVE Received	[email protected]