What is CVE-2023-5317?

CVE-2023-5317 is a medium-severity vulnerability in Phpmyfaq, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-09-30.

How severe is CVE-2023-5317?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Phpmyfaq

CVE-2023-5317

Cross-site Scripting (XSS) - Stored in GitHub repository thorsten/phpmyfaq prior to 3.1.18.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-09-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (24.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 24.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Phpmyfaq
Thorsten Thorsten/phpmyfaq — versions unspecified

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

huntr.dev/bounties/5e146e7c-60c7-498b-9ffe-fd4cb4ca8c54 (Permissions Required)
github.com/thorsten/phpmyfaq/commit/ec551bdf1566ede1e55f289888c446f877ad9a83 (Patch)

Frequently asked questions

What is CVE-2023-5317?: CVE-2023-5317 is a medium-severity vulnerability in Phpmyfaq, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-09-30.
How severe is CVE-2023-5317?: Medium severity. CVSS v3 base score is 5.4 out of 10.