What is CVE-2025-14046?

CVE-2025-14046 is a medium-severity vulnerability in Github Enterprise Server, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-12-11.

How severe is CVE-2025-14046?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Github Enterprise Server

CVE-2025-14046

An improper neutralization of input vulnerability was identified in GitHub Enterprise Server that allowed user-supplied HTML to inject DOM elements with IDs that collided with server-initialized data islands. These collisions could overwri…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (23.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Github Enterprise Server — versions 3.19.0, 3.18.0, 3.17.0
Github Enterprise_server

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

product-cna@github.com (Release Notes)
product-cna@github.com (Release Notes)
product-cna@github.com (Release Notes)
product-cna@github.com (Release Notes)
product-cna@github.com (Release Notes)

Frequently asked questions

What is CVE-2025-14046?: CVE-2025-14046 is a medium-severity vulnerability in Github Enterprise Server, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-12-11.
How severe is CVE-2025-14046?: Medium severity. CVSS v3 base score is 6.1 out of 10.