CVE-2026-27973

MEDIUM

4.0

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.

CVE Details

CVSS v3.1 Score4.0

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityHIGH

Privileges RequiredHIGH

User InteractionREQUIRED

Published2/26/2026

Last Modified3/12/2026

Sourcenvd

Honeypot Sightings0

Affected Products

audiobookshelf:audiobookshelfaudiobookshelf:audiobookshelf_mobile_app

Weaknesses (CWE)

CWE-79

References

https://github.com/advplyr/audiobookshelf-app/commit/b2c2b625e3cf586562397f4c02e38059f2b8ef5c(security-advisories@github.com)

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

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.