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Medium · 4.8 CVE-2026-27974 EUVD-2026-8831

Audiobooksheld VUlnerable to Stored XSS in WrappingMarquee.js via Audiobook Metadata (Mobile App Audio Player)

Published Feb 26, 2026 · Updated Feb 26, 2026 · Assigned by GitHub_M

Description

Audiobookshelf is a self-hosted audiobook and podcast server. A 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 (or control over a malicious podcast RSS feed) can execute code in victim users' WebViews, potentially leading to session hijacking, data exfiltration, and unauthorized access to native device APIs. audiobookshelf-app version 0.12.0-beta fixes the issue.

Affected products

VendorProductAffectedFixed
advplyr audiobookshelf-app < 0.12.0-beta —

References