CVE-2025-14046
CVE-2025-14046 is a medium-severity vulnerability in Github Enterprise Server with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- CVSS v4: 8.6
- EPSS exploit prediction: 0% (24th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-202752
- Weakness: CWE-79
- Affected product: Github Enterprise Server
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2025-14046?
- CVE-2025-14046 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2025-14046 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-14046?
- CVE-2025-14046 affects Github Enterprise Server. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-14046?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-14046 have an EU (EUVD) identifier?
- Yes. CVE-2025-14046 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-202752.
- When was CVE-2025-14046 published?
- CVE-2025-14046 was published on 2025-12-11 and last updated on 2026-06-17.
References
- https://docs.github.com/en/[email protected]/admin/release-notes#3.14.21
- https://docs.github.com/en/[email protected]/admin/release-notes#3.15.16
- https://docs.github.com/en/[email protected]/admin/release-notes#3.16.12
- https://docs.github.com/en/[email protected]/admin/release-notes#3.17.9
- https://docs.github.com/en/[email protected]/admin/release-notes#3.18.3
Affected products (1)
- cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:*
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