What is CVE-2026-27963?

CVE-2026-27963 is a medium-severity vulnerability in Advplyr Audiobookshelf, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2026-02-26.

How severe is CVE-2026-27963?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Advplyr Audiobookshelf

CVE-2026-27963

Audiobookshelf is a self-hosted audiobook and podcast server. A stored cross-site scripting (XSS) vulnerability exists in versions prior to 2.32.0 of the Audiobookshelf web application that allows arbitrary JavaScript execution through mal…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.001 (21.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Advplyr Audiobookshelf — versions < 2.32.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

https://github.com/advplyr/audiobookshelf/security/advisories/GHSA-69cp-m725-wf78 (x_refsource_CONFIRM)
https://github.com/advplyr/audiobookshelf/commit/503f4611b221a5bde19024e657021670df204478 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-27963?: CVE-2026-27963 is a medium-severity vulnerability in Advplyr Audiobookshelf, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2026-02-26.
How severe is CVE-2026-27963?: Medium severity. CVSS v3 base score is 4.8 out of 10.