CVE-2026-42887
MEDIUM4.5CVSS v3
—CVSS v2
0.03%
EPSS (exploit probability)
CWE-79CWE
Description
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 can inject arbitrary HTML/JavaScript that will be rendered on the login page for all users. This vulnerability is fixed in 2.33.0.
CVSS v3 vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
Affected routers (0)
No routers currently mapped to this CVE in our database.