What is CVE-2022-3766?

CVE-2022-3766 is a medium-severity vulnerability in Phpmyfaq, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-10-31.

How severe is CVE-2022-3766?

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

Is CVE-2022-3766 known to be exploited?

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

XSS in Phpmyfaq

CVE-2022-3766

Cross-site Scripting (XSS) - Reflected in GitHub repository thorsten/phpmyfaq prior to 3.1.8.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-10-31 · 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: 0.061 (93.2th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.059 · newest: 0.061 · 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/d9666520-4ff5-43bb-aacf-50c8e5570983 (Exploit, Patch, Third Party Advisory, Issue Tracking)
github.com/thorsten/phpmyfaq/commit/c7904f2236c6c0dd64c2226b90c30af0f7e5a72d (Patch, Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2022-3766?: CVE-2022-3766 is a medium-severity vulnerability in Phpmyfaq, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-10-31.
How severe is CVE-2022-3766?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2022-3766 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.