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CVE-2026-27974

19
FAUCET Score

CVE-2026-27974 describes a cross-site scripting (XSS) vulnerability in Audiobookshelf mobile application versions prior to 0.12.0-beta. This flaw allows attackers with library modification privileges or control over a malicious podcast RSS feed to execute arbitrary JavaScript in victim users' WebViews. The vulnerability carries a CVSS score of 4.8 (Medium), indicating a low impact on confidentiality and integrity, but requires high privileges and user interaction. While not actively exploited or listed in CISA's KEV catalog, there is some community discussion surrounding this CVE, though no public exploit code is currently available.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.12.0CPE matchmatch criteria
cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.8MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
1.7
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.19%
Probability of exploitation in next 30 days
EPSS Percentile
8.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0019 is in the 5th percentile among its peer group of 4,931 CVEs.

Social Chatter

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.

Media 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

Remediation records are not available for this CVE.

References

github.com / advplyr/audiobookshelf-app/commit/bab95530c8c3d7a4b4cec5b059da8b79ad50223e
Patch
github.com / advplyr/audiobookshelf/security/advisories/GHSA-8c9r-pvrj-vcf5
Vendor Advisory