CVE-2026-42887

Published: Mag 11, 2026 Last Modified: Mag 11, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 4,5
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: high
User Interaction: required
Scope: unchanged
Confidentiality: high
Integrity: none
Availability: none

Description

AI Translation Available

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.

79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Stable
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Access Control Confidentiality Integrity Availability
Potential Impacts:
Bypass Protection Mechanism Read Application Data Execute Unauthorized Code Or Commands
Applicable Platforms
Technologies: AI/ML, Web Based, Web Server
Likelihood of Exploit: High
View CWE Details
https://github.com/advplyr/audiobookshelf/security/advisori…
https://github.com/advplyr/audiobookshelf/security/advisories/GHSA-cx29-ghq2-9c…