CVE-2026-27974

Audiobooksheld VUlnerable to Stored XSS in WrappingMarquee.js via Audiobook Metadata (Mobile App Audio Player)

Published: Feb 26, 2026Updated: Feb 27, 2026 Sources: CVE List NVDCWE-79

4.8MEDIUM

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:HPrivileges Required

High

UI:RUser Interaction

Required

Scope

S:CScope

Changed

Impact

C:LConfidentiality

Low

I:LIntegrity

Low

A:NAvailability

None

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Weaknesses

CWE-79

Affected Products

advplyr

aka audiobookshelf-app, audiobookshelf

audiobookshelf-appOn-prem

Consumer Software / media-player

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Execution

Initial Access

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References

https://github.com/advplyr/audiobookshelf/security/advisories/GHSA-8c9r-pvrj-vcf5

github.com

https://github.com/advplyr/audiobookshelf-app/commit/bab95530c8c3d7a4b4cec5b059da8b79ad50223e

github.com

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