CVE-2026-27973

Published: Feb 26, 2026Modified: Jun 17, 2026

4.8

Vector

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

Exploitability: 1.7 / Impact: 2.7

Source: NVD

Description

Audiobookshelf is a self-hosted audiobook and podcast server. A stored cross-site scripting (XSS) vulnerability exists in versions prior to 0.12.0-beta of the Audiobookshelf mobile application that allows arbitrary JavaScript execution through malicious library metadata. Attackers with library modification privileges can execute code in victim users' browsers/WebViews, potentially leading to session hijacking, data exfiltration, and unauthorized access to native device APIs. The issue is fixed in audiobookshelf-app version 0.12.0-beta, corresponding to audiobookshelf version 2.12.0.

Affected (2)

Products: Audiobookshelf: Audiobookshelf, Audiobookshelf Mobile App

2 products

Audiobookshelf Mobile App

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Audiobookshelf Audiobookshelf	Before 2.12.0
Audiobookshelf Audiobookshelf Mobile App	Before 0.12.0

Related CWEs

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 (2)

https://github.com/advplyr/audiobookshelf-app/commit/b2c2b625e3cf586562397f4c02e38059f2b8ef5c

Source: security-advisories@github.com

Patch

https://github.com/advplyr/audiobookshelf/security/advisories/GHSA-2433-p93m-xhhg

Source: security-advisories@github.com

PatchVendor Advisory

Timeline

No history available yet.