What is CVE-2022-4407?

CVE-2022-4407 is a medium-severity vulnerability in Phpmyfaq, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-12-11.

How severe is CVE-2022-4407?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2022-4407 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Phpmyfaq

CVE-2022-4407

Cross-site Scripting (XSS) - Reflected in GitHub repository thorsten/phpmyfaq prior to 3.1.9.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-12-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.046 (91.3th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.044 · newest: 0.046 · change: +0.002

Affected products

Phpmyfaq
Thorsten Thorsten/phpmyfaq — versions unspecified

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

huntr.dev/bounties/a1649f43-78c9-4927-b313-36911872a84b (Permissions Required, Third Party Advisory)
github.com/thorsten/phpmyfaq/commit/1d73af34bf42764f9f9491c7ba5e9495d70e3ca5 (Patch, Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2022-4407?: CVE-2022-4407 is a medium-severity vulnerability in Phpmyfaq, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-12-11.
How severe is CVE-2022-4407?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2022-4407 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.