CVE-2026-49436

Published: Aug 20, 2026Modified: Aug 21, 2026

7.3

Vector

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

Exploitability: 2.1 / Impact: 5.2

Source: security-advisories@github.com (Secondary)

Description

LinkAce is a self-hosted archive to collect website links. Prior to version 2.5.7, the Bulk Link API endpoint (`POST /api/v2/bulk/links`) accepts URLs without any format validation, allowing an authenticated user to store a `javascript:` URI. The stored URI is later rendered verbatim as an `href` in Blade templates, and clicking it executes arbitrary JavaScript in the victim's browser — exfiltrating cookies and session tokens. Version 2.5.7 fixes the issue.

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 (3)

https://github.com/Kovah/LinkAce/commit/642ac520347205a8277668bcae269bdc21223eae

Source: security-advisories@github.com

https://github.com/Kovah/LinkAce/security/advisories/GHSA-6r73-pchm-4m39

Source: security-advisories@github.com

https://github.com/Kovah/LinkAce/security/advisories/GHSA-6r73-pchm-4m39

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

Timeline

No history available yet.