Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Audiobookshelf | Audiobookshelf Mobile App | < 0.12.0 |
Related Weaknesses (CWE)
References
- https://github.com/advplyr/audiobookshelf-app/commit/bab95530c8c3d7a4b4cec5b059dPatch
- https://github.com/advplyr/audiobookshelf/security/advisories/GHSA-8c9r-pvrj-vcfVendor Advisory
FAQ
What is CVE-2026-27974?
CVE-2026-27974 is a vulnerability with a CVSS score of 4.8 (MEDIUM). 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 ar...
How severe is CVE-2026-27974?
CVE-2026-27974 has been rated MEDIUM with a CVSS base score of 4.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-27974?
Check the references section above for vendor advisories and patch information. Affected products include: Audiobookshelf Audiobookshelf Mobile App.