CVE-2022-23733 - CVE House

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Status published Medium CVE-2022-23733

Stored XSS vulnerability in GitHub Enterprise Server leading to injection of arbitrary attributes

5.4 CVSS

Vulnerability Description

A stored XSS vulnerability was identified in GitHub Enterprise Server that allowed the injection of arbitrary attributes. This injection was blocked by Github's Content Security Policy (CSP). This vulnerability affected all versions of GitHub Enterprise Server prior to 3.6 and was fixed in versions 3.3.11, 3.4.6 and 3.5.3. This vulnerability was reported via the GitHub Bug Bounty program.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

None

References

More from GitHub

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Incorrect authorization vulnerability was identified in GitHub Enterprise Server that allowed read-only access

Incorrect authorization vulnerability was identified in GitHub Enterprise Server that allowed unauthorized read-only access

GitHub Enterprise Server Information Disclosure Vulnerability Exposes Private Repository Names via Search API

Pre-Receive Hook Remote Code Execution vulnerability was identified in GitHub Enterprise Server that allowing Privilege Escalation

Markdown math block sanitization bypass allows privilege escalation and unauthorized workflow triggers

Affected Vendor

GitHub

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Affected Software

GitHub Enterprise Server

Vulnerable Versions:

3.3, 3.4, 3.5

Timeline

Official Publish: August 2nd, 2022

Last Modified: August 3rd, 2024

Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1189 Drive-by Compromise

T1059.007 JavaScript

T1539 Steal Web Session Cookie

T1213 Data from Information Repositories

T1567 Exfiltration Over Web Service

T1491.001 Defacement