CVE-2022-4407
Published: 11 December 2022
Summary
CVE-2022-4407 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Phpmyfaq Phpmyfaq. Its CVSS base score is 6.1 (Medium).
Operationally, ranked in the top 7.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2022-4407 is a reflected cross-site scripting vulnerability present in the phpMyFAQ GitHub repository prior to version 3.1.9. The flaw is classified under CWE-79 and carries a CVSS 3.1 score of 6.1, reflecting network attack vector, low complexity, no required privileges, required user interaction, and changed scope with limited confidentiality and integrity impact.
An unauthenticated remote attacker can exploit the issue by supplying a crafted URL that triggers script execution in the browser of any user who follows the link, allowing the attacker to perform actions within the context of the victim's session and the affected phpMyFAQ instance.
The vulnerability was resolved by commit 1d73af34bf42764f9f9491c7ba5e9495d70e3ca5, which is included in the 3.1.9 release; the associated huntr.dev report documents the coordinated disclosure and patch.
The EPSS score has remained flat at its peak value of 0.0924 since disclosure, and public references include a proof-of-concept description.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-7603
Vulnerability details
Cross-site Scripting (XSS) - Reflected in GitHub repository thorsten/phpmyfaq prior to 3.1.9.
- 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.