CVE-2022-23733
Published: 02 August 2022
Summary
CVE-2022-23733 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Github Enterprise Server. Its CVSS base score is 5.4 (Medium).
Operationally, ranked in the top 48.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-28669
Vulnerability details
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…
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was fixed in versions 3.3.11, 3.4.6 and 3.5.3. This vulnerability was reported via the GitHub Bug Bounty program.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.