CVE-2026-42887

CVE-2026-42887 affects Audiobookshelf before version 2.33.0. The issue is a stored cross-site scripting (XSS) in the Login Page caused by improper sanitization of the authLoginCustomMessage field in the /api/auth-settings endpoint. An attacker with administrative privileges can inject arbitrary H...

CVE-2026-42887 Audiobookshelf: Stored Cross-Site Scripting in Login Page Custom Message

Audiobookshelf is a self-hosted audiobook and podcast server. Prior to 2.33.0, a stored cross-site scripting XSS vulnerability exists in the Login Page due to improper sanitization of the authLoginCustomMessage field of the /api/auth-settings endpoint. An attacker with administrative privileges c...