CVE-2026-27973 describes a stored Cross-Site Scripting (XSS) vulnerability in Audiobookshelf mobile application versions prior to 0.12.0-beta. This flaw allows attackers with library modification privileges to inject malicious JavaScript into audiobook metadata, which then executes in victim users' browsers/WebViews. The vulnerability carries a CVSS score of 4.0 (Medium), indicating a network-based attack with high complexity, requiring high privileges, and user interaction, potentially leading to session hijacking or data exfiltration. While the EPSS score is low, suggesting a low likelihood of exploitation, there is no evidence of active exploitation, and no public exploit code is available. The issue has received minimal community discussion and no media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.12.0CPE matchmatch criteria | cpe:2.3:a:audiobookshelf:audiobookshelf:*:*:*:*:*:*:*:* | ||
< 0.12.0CPE matchmatch criteria | cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.