CVE-2022-4407: phpmyfaq Cross-site Scripting
CVSS: 9.8v3.0CriticalModified
Published 11-12-2022Last modified 16-02-2026
Vulnerability summary
CVE-2022-4407 is a critical (CVSS 9.8) Cross-site Scripting vulnerability in phpmyfaq. EPSS estimates a 4.85% chance of exploitation in the next 30 days, higher than 91.9% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.0 (CVE.org)EPSS score
4.85%
0%100%
Low · +0.27 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1exploit-database
Timeline
- 11-12-2022PublishedVulnerability first disclosed.
- 16-02-2026Last modifiedVulnerability information updated.
Description
Cross-site Scripting (XSS) - Reflected in GitHub repository thorsten/phpmyfaq prior to 3.1.9.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 6.1Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NSourcesSingle source
Critical 9.8Preferred score · CVE.org (CNA)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
4.85%
Chance of exploitation in the next 30 days
Percentile
92%
Versus all other CVEs
30-day change
+0.27 pp
From 4.58% on 21-09-2026
21-09-202621-10-2026
EPSS score4.85%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundphpMyFAQ 3.1.7 - Reflected Cross-Site Scripting (XSS)
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Phpmyfaq1 product
- phpmyfaq< 3.1.9
Thorsten1 product
- thorsten/phpmyfaq≥ unspecified, < 3.1.9
2 vendors · 2 products
References
3 links- github.com/thorsten/phpmyfaq/commit/1d73af34bf42764f9f9491c7ba5e9495d70e3ca5PatchThird Party Advisory