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

CVE-2026-103998

The Form Maker by 10Web – Mobile-Friendly Drag & Drop Contact Form Builder plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'inputs (array key)' parameter in all versions up to, and including, 1.15.48 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Vulnerability class: XSS (Cross-Site Scripting)

Published .

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

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-103998?
CVE-2026-103998 is a medium-severity vulnerability in 10web Form Maker By – Mobile-Friendly Drag & Drop Contact Builder, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-10-10.
How severe is CVE-2026-103998?
Medium severity. CVSS v3 base score is 6.1 out of 10.