What is CVE-2023-0310?

CVE-2023-0310 is a medium-severity vulnerability in Phpmyfaq, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-01-15.

How severe is CVE-2023-0310?

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

XSS in Phpmyfaq

CVE-2023-0310

Cross-site Scripting (XSS) - Stored in GitHub repository thorsten/phpmyfaq prior to 3.1.10.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-01-15 · 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: 0.005 (43.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Phpmyfaq
Thorsten Thorsten/phpmyfaq — versions unspecified

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

huntr.dev/bounties/051d5e20-7fab-4769-bd7d-d986b804bb5a (Permissions Required, Third Party Advisory)
github.com/thorsten/phpmyfaq/commit/53099a9bcc928f5f6f7cce111c04b79a72a04142 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2023-0310?: CVE-2023-0310 is a medium-severity vulnerability in Phpmyfaq, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-01-15.
How severe is CVE-2023-0310?: Medium severity. CVSS v3 base score is 5.4 out of 10.