CVE-2026-33510

DOM-Based XSS in Homarr /auth/login Redirect

State: Published
Severity: 8.8 High
Published: Apr 6, 2026
Updated: Apr 6, 2026
Reserved: Mar 20, 2026

Description

Homarr is an open-source dashboard. Prior to 1.57.0, a DOM-based Cross-Site Scripting (XSS) vulnerability has been discovered in Homarr's /auth/login page. The application improperly trusts a URL parameter (callbackUrl), which is passed to redirect and router.push. An attacker can craft a malicious link that, when opened by an authenticated user, performs a client-side redirect and executes arbitrary JavaScript in the context of their browser. This could lead to credential theft, internal network pivoting, and unauthorized actions performed on behalf of the victim. This vulnerability is fixed in 1.57.0.

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:L	GitHub_M

Weaknesses

CWE-87 Improper Neutralization of Alternate XSS Syntax
CWE-601 URL Redirection to Untrusted Site ('Open Redirect')

Affected Products

Product	Versions
homarrhomarr-labs	< 1.57.0Affected

References

https://github.com/homarr-labs/homarr/security/advisories/GHSA-79pg-554g-rw82

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