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.
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History
Fri, 12 Dec 2025 09:00:00 +0000
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Github
Github enterprise Server |
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Github
Github enterprise Server |
Thu, 11 Dec 2025 19:15:00 +0000
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ssvc
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Thu, 11 Dec 2025 18:00:00 +0000
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| 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. | |
| Title | Insufficient HTML Sanitization Allows User-Controlled DOM Elements to Overwrite Server-Initialized Data Islands and Trigger Unintended Server-Side POST Requests | |
| Weaknesses | CWE-79 | |
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cvssV4_0
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Status: PUBLISHED
Assigner: GitHub_P
Published: 2025-12-11T17:52:05.353Z
Updated: 2025-12-11T18:48:17.846Z
Reserved: 2025-12-04T16:22:53.626Z
Link: CVE-2025-14046
Updated: 2025-12-11T18:48:09.647Z
Status : Awaiting Analysis
Published: 2025-12-11T18:16:19.253
Modified: 2025-12-12T15:18:13.390
Link: CVE-2025-14046
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