# CVE-2026-103998: Form Maker by 10Web reflected cross-site script in inputs parameter

Source: https://junglewise.ai/threats/cve-2026-103998-the-form-maker-by-10web-mobile-friendly-drag-drop-contact-form  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-10. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-103998 · Severity: medium · CVSS 6.1 · Published 2026-10-10

Form Maker by 10Web is a WordPress plugin for creating contact forms. The plugin is vulnerable to reflected cross-site scripting (XSS), allowing attackers to inject malicious scripts that execute in users' browsers. An attacker could trick users into clicking a malicious link to steal credentials, session tokens, or perform actions on their behalf.

Technologies: [10Web Form Maker](https://junglewise.ai/threats/technologies/form-maker). Vendors: [10Web](https://junglewise.ai/threats/vendors/10web).

## Quick answers

**Is CVE-2026-103998 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-103998 being exploited in the wild.

**How severe is CVE-2026-103998?** Medium severity, with a CVSS score of 6.1, published 10 October 2026.

**Which products and versions are affected?** 10Web Form Maker up to 1.15.48.

**Is there a fix for CVE-2026-103998?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-103998 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-103998?** Check whether you run 10Web Form Maker at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The plugin fails to properly sanitize and escape the 'inputs' array parameter, allowing reflected XSS injection. An unauthenticated attacker can craft a malicious URL containing arbitrary JavaScript that executes in the victim's browser when clicked. No authentication or special preconditions are required beyond social engineering to trick a user into visiting the crafted link.

## Affected products

- 10Web Form Maker up to 1.15.48

## Timeline

- 2026-10-10: disclosed

## References

- [https://plugins.trac.wordpress.org/browser/form-maker/tags/1.15.48/form-maker.php](https://plugins.trac.wordpress.org/browser/form-maker/tags/1.15.48/form-maker.php)
- [https://plugins.trac.wordpress.org/browser/form-maker/tags/1.15.48/frontend/controllers/form_maker.php](https://plugins.trac.wordpress.org/browser/form-maker/tags/1.15.48/frontend/controllers/form_maker.php)

## Related threats

- [10Web Form Maker stored cross-site scripting (XSS)](https://junglewise.ai/threats/cve-2026-119483-improper-neutralization-of-input-during-web-page-generation)
- [Form Maker by 10Web stored XSS in hidden input field](https://junglewise.ai/threats/cve-2026-120512-the-form-maker-by-10web-mobile-friendly-drag-drop-contact-form)
- [10Web Form Maker stored cross-site scripting in form submissions](https://junglewise.ai/threats/cve-2026-118067-the-form-maker-by-10web-mobile-friendly-drag-drop-contact-form)
- [Form Maker by 10Web stored XSS in submission fields](https://junglewise.ai/threats/cve-2026-105413-the-form-maker-by-10web-wordpress-plugin-before-1-15-51-does-not)
- [Form Maker by 10Web stored XSS in map longitude/latitude fields](https://junglewise.ai/threats/cve-2026-96813-the-form-maker-by-10web-mobile-friendly-drag-drop-contact-form)