What’s Vulnerable › Vulnerabilities

CVE-2026-27973: Audiobookshelf has Stored XSS in ItemSearchCard.vue via Audiobook Metadata (Search Results on Mobile App)

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-26 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• advplyr audiobookshelf: before 2.12.0 — fixed in 2.12.0
• advplyr audiobookshelf-app: before 0.12.0 — fixed in 0.12.0

How to fix

Upgrade to a fixed version: advplyr audiobookshelf 2.12.0; advplyr audiobookshelf-app 0.12.0. Check the vendor advisory for mitigations.

References

• https://github.com/advplyr/audiobookshelf-app/commit/b2c2b625e3cf586562397f4c02e38059f2b8ef5c
• https://github.com/advplyr/audiobookshelf/security/advisories/GHSA-2433-p93m-xhhg

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