What is CVE-2023-5863?

CVE-2023-5863 is a medium-severity vulnerability in Phpmyfaq, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-10-31.

How severe is CVE-2023-5863?

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

Is CVE-2023-5863 known to be exploited?

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

XSS in Phpmyfaq

CVE-2023-5863

Cross-site Scripting (XSS) - Reflected in GitHub repository thorsten/phpmyfaq prior to 3.2.2.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-10-31 · 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: 0.011 (64.2th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Phpmyfaq
Thorsten Thorsten/phpmyfaq — versions unspecified

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

huntr.com/bounties/fbfd4e84-61fb-4063-8f11-15877b8c1f6f (Exploit, Patch, Third Party Advisory)
github.com/thorsten/phpmyfaq/commit/97e813dcd2022bd10a8770569a8b02591716365f (Patch)

Frequently asked questions

What is CVE-2023-5863?: CVE-2023-5863 is a medium-severity vulnerability in Phpmyfaq, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-10-31.
How severe is CVE-2023-5863?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2023-5863 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.