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 overwrite or shadow critical application state objects used by certain Project views, leading to unintended server-side POST requests or other unauthorized backend interactions. Successful exploitation requires an attacker to have access to the target GitHub Enterprise Server instance and to entice a privileged user to view crafted malicious content that includes conflicting HTML elements. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.18.3, 3.17.9, 3.16.12, 3.15.16, and 3.14.21.
- CVSS 4.0
- 8.6
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N - CVSS 3.1
- 6.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - EPSS
- 0.4% chance of exploitation in the next 30 days; higher than 32% of CVEs (scores of 2026-10-25)
- CWE
- CWE-79
- Published
- Modified
- Record from
- the NVD, synced
Affected
- github:enterprise_server
References
- https://docs.github.com/en/enterprise-server@3.14/admin/release-notes#3.14.21
- https://docs.github.com/en/enterprise-server@3.15/admin/release-notes#3.15.16
- https://docs.github.com/en/enterprise-server@3.16/admin/release-notes#3.16.12
- https://docs.github.com/en/enterprise-server@3.17/admin/release-notes#3.17.9
- https://docs.github.com/en/enterprise-server@3.18/admin/release-notes#3.18.3