What is CVE-2023-1878?

CVE-2023-1878 is a medium-severity vulnerability in Phpmyfaq, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-04-05.

How severe is CVE-2023-1878?

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

XSS in Phpmyfaq

CVE-2023-1878

Cross-site Scripting (XSS) - Stored in GitHub repository thorsten/phpmyfaq prior to 3.1.12.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-04-05 · 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 (43.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 43.0% 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/93f981a3-231d-460d-a239-bb960e8c2fdc (Exploit, Patch, Third Party Advisory)
github.com/thorsten/phpmyfaq/commit/e018823f8e3bca103c11e5a98b0dd469e41ed417 (Patch)

Frequently asked questions

What is CVE-2023-1878?: CVE-2023-1878 is a medium-severity vulnerability in Phpmyfaq, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-04-05.
How severe is CVE-2023-1878?: Medium severity. CVSS v3 base score is 5.4 out of 10.