CVE-2026-3951
MEDIUMCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
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2Tags
Description
A security flaw has been discovered in LockerProject Locker 0.0.0/0.0.1/0.1.0. Affected is the function authIsAwesome of the file source-code/Locker-master/Ops/registry.js of the component Error Response Handler. The manipulation of the argument ID results in cross site scripting. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Analysis
Reflected cross-site scripting in LockerProject Locker versions 0.0.0 through 0.1.0 allows unauthenticated remote attackers to inject malicious scripts through the ID parameter in the Error Response Handler component. Public exploit code exists for this vulnerability, and the vendor has not yet provided a patch despite early notification.
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Remediation
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.
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External POC / Exploit Code
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