CVE-2026-27973

MEDIUM

Audiobookshelf <0.12.0-beta - XSS

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 4.0
EPSS 0.0005
EPSS Percentile 14.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (2)
audiobookshelf/audiobookshelf < 2.12.0
audiobookshelf/audiobookshelf_mobile_app < 0.12.0
Published Feb 26, 2026
Tracked Since Feb 26, 2026