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Description

An improper neutralization of input vulnerability was identified in GitHub Enterprise Server that allows DOM-based cross-site scripting via Issues search label filter that could lead to privilege escalation and unauthorized workflow triggers. Successful exploitation requires an attacker to have access to the target GitHub Enterprise Server instance and to entice a user, while operating in sudo mode, to click on a crafted malicious link to perform actions that require elevated privileges. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.18.1, 3.17.7, 3.16.10, 3.15.14, 3.14.19.

PUBLISHED Reserved 2025-10-16 | Published 2025-11-10 | Updated 2025-11-12 | Assigner GitHub_P




HIGH: 8.6CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Product status

Default status
affected

3.18.0 (semver) before 3.18.1
affected

3.17.0 (semver)
affected

3.16.0 (semver)
affected

3.15.0 (semver)
affected

3.14.0 (semver)
affected

Credits

André Storfjord Kristiansen finder

References

docs.github.com/...nterprise-server@3.18/admin/release-notes

docs.github.com/...nterprise-server@3.17/admin/release-notes

docs.github.com/...nterprise-server@3.16/admin/release-notes

docs.github.com/...nterprise-server@3.15/admin/release-notes

docs.github.com/...nterprise-server@3.14/admin/release-notes

cve.org (CVE-2025-11892)

nvd.nist.gov (CVE-2025-11892)

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