What is CVE-2026-46363?

CVE-2026-46363 is a medium-severity vulnerability in Thorsten Phpmyfaq, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-05-15.

How severe is CVE-2026-46363?

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

XSS in Thorsten Phpmyfaq

CVE-2026-46363

phpMyFAQ before 4.1.2 contains a stored cross-site scripting vulnerability in FAQ creation and update endpoints that bypass sanitization through encode-decode cycles. The vulnerability allows authenticated attackers with FAQ_ADD permission…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (8.8th percentile) — read the EPSS interpretation.

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.

Affected products

Thorsten Phpmyfaq — versions 0, 4.1.2

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-46363?: CVE-2026-46363 is a medium-severity vulnerability in Thorsten Phpmyfaq, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-05-15.
How severe is CVE-2026-46363?: Medium severity. CVSS v3 base score is 5.4 out of 10.