What is CVE-2023-2550?

CVE-2023-2550 is a medium-severity vulnerability in Phpmyfaq, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2023-05-05.

How severe is CVE-2023-2550?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Phpmyfaq

CVE-2023-2550

Cross-site Scripting (XSS) - Stored in GitHub repository thorsten/phpmyfaq prior to 3.1.13.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-05-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (37.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.4% 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/840c8d91-c97e-4116-a9f8-4ab1a38d239b (Exploit, Third Party Advisory)
github.com/thorsten/phpmyfaq/commit/20ac51594db11604a4518aacc28a51f67d4f11bf (Patch)

Frequently asked questions

What is CVE-2023-2550?: CVE-2023-2550 is a medium-severity vulnerability in Phpmyfaq, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2023-05-05.
How severe is CVE-2023-2550?: Medium severity. CVSS v3 base score is 4.8 out of 10.