What is CVE-2026-31953?

CVE-2026-31953 is a medium-severity vulnerability in Xibosignage Xibo, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-04-24.

How severe is CVE-2026-31953?

Medium severity. CVSS v3 base score is 6.4 out of 10.

XSS in Xibosignage Xibo

CVE-2026-31953

Xibo is an open source digital signage platform with a web content management system and Windows display player software. A stored Cross-Site Scripting (XSS) vulnerability in versions prior to 4.4.1 allows an authenticated user with notifi…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.001 (3.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Xibosignage Xibo
Xibosignage Xibo-cms — versions < 4.4.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
security-advisories@github.com (x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2026-31953?: CVE-2026-31953 is a medium-severity vulnerability in Xibosignage Xibo, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-04-24.
How severe is CVE-2026-31953?: Medium severity. CVSS v3 base score is 6.4 out of 10.