CVE-2025-11892 GitHub — Exploit & Vulnerability Details CRITICAL

Parameter	Value
CVSS	9.6 (CRITICAL)
Affected Versions	3.15.0 — 3.17.7
Fixed In	3.14.19
Type	CWE-79 (Cross-Site Scripting (XSS))
Vendor	GitHub
Public PoC	No

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.

Attack Parameters

Attack Vector

Network

Can be exploited remotely

Attack Complexity

Low

Easy to exploit

Privileges Required

None

No privileges needed

User Interaction

Required

User action required

Impact Assessment

Confidentiality

High

Complete data leak

Integrity

High

Complete data modification

Availability

High

Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)

CWE-79 Cross-Site Scripting (XSS)

Vulnerable Products 5

Configuration	From (including)	Up to (excluding)
Github Enterprise_Server cpe:2.3:a:github:enterprise_server::::::::	—	`3.14.19`
Github Enterprise_Server cpe:2.3:a:github:enterprise_server::::::::	`3.15.0`	`3.15.14`
Github Enterprise_Server cpe:2.3:a:github:enterprise_server::::::::	`3.16.0`	`3.16.10`
Github Enterprise_Server cpe:2.3:a:github:enterprise_server::::::::	`3.17.0`	`3.17.7`
Github Enterprise_Server cpe:2.3:a:github:enterprise_server:3.18.0:::::::*	—	—