Vulnerability · Published Feb 26, 2026 · Assigned by GitHub_M

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

Medium 4.0

In plain English

A medium-severity cross-site scripting in audiobookshelf from advplyr. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities).

Severity (CVSS 3.1)4.0Medium
Exploit odds (30 days)0.2%top 91.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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 (as reported)

VendorProductVersions
advplyr audiobookshelf < 2.12.0
advplyr audiobookshelf-app < 0.12.0-beta

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:N

References