PT-2026-22111 · Unknown · Audiobookshelf

Michael-Tyl · Published 2026-02-26 · Updated 2026-03-13 · CVE-2026-27973

Positive Technologies (AI Summary)

CVSS v3.1

4.8

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Audiobookshelf versions prior to 0.12.0-beta

Description Audiobookshelf is a self-hosted audiobook and podcast server. A stored cross-site scripting (XSS) issue exists in versions prior to 0.12.0-beta of the Audiobookshelf mobile application. This allows arbitrary JavaScript execution through malicious library metadata. An attacker with library modification privileges can execute code in a victim user’s browser or WebView, potentially leading to session hijacking, data exfiltration, and unauthorized access to native device APIs.

Recommendations Update to version 0.12.0-beta or later.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-27973

GHSA-2433-P93M-XHHG

Affected Products

Audiobookshelf

References · 9

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27973.json · Exploit
• https://github.com/advplyr/audiobookshelf/security/advisories/GHSA-2433-p93m-xhhg · Vendor Advisory
• https://github.com/advplyr/audiobookshelf-app/commit/b2c2b625e3cf586562397f4c02e38059f2b8ef5c · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-27973 · Security Note
• https://osv.dev/vulnerability/CVE-2026-27973 · Vendor Advisory
• https://twitter.com/VulmonFeeds/status/2026952506673180770 · Twitter Post
• https://twitter.com/dailycve/status/2032276053410927101 · Twitter Post
• https://t.me/CVEtracker/45814 · Telegram Post
• https://twitter.com/CVEnew/status/2027004206943514813 · Twitter Post