What is CVE-2026-4388?

CVE-2026-4388 is a high-severity vulnerability in 10web Form Maker By – Mobile-friendly Drag & Drop Contact Builder, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-04-14.

How severe is CVE-2026-4388?

High severity. CVSS v3 base score is 7.2 out of 10.

XSS in 10web Form Maker By – Mobile-friendly Drag & Drop Contact Builder

CVE-2026-4388

The Form Maker by 10Web plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Matrix field (Text Box input type) in form submissions in all versions up to, and including, 1.15.40. This is due to insufficient input sanit…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.001 (32.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

Affected products

10web Form Maker By – Mobile-friendly Drag & Drop Contact Builder — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2026-4388?: CVE-2026-4388 is a high-severity vulnerability in 10web Form Maker By – Mobile-friendly Drag & Drop Contact Builder, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-04-14.
How severe is CVE-2026-4388?: High severity. CVSS v3 base score is 7.2 out of 10.