CVE-2026-18324
Received Received - Intake

Stored XSS in Forminator WordPress Plugin via Rich-Text Textarea

Publication date: 2026-08-28

Last updated on: 2026-08-28

Assigner: Wordfence

Description
The Forminator Forms – Contact Form, Payment Form & Custom Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Rich-Text Textarea Field in all versions up to, and including, 1.57.0.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Exploitation requires that the targeted Textarea field has the Rich-Text editor option enabled.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-08-28
Last Modified
2026-08-28
Generated
2026-09-17
AI Q&A
2026-08-28
EPSS Evaluated
2026-09-15
NVD
CVE-2026-18324
EUVD
EUVD-2026-67405

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
wpform forminator to 1.57.0.1 (inc)

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability is a Stored Cross-Site Scripting (XSS) issue in the Forminator Forms WordPress plugin. It allows unauthenticated attackers to inject malicious scripts via a Rich-Text Textarea Field due to poor input sanitization and output escaping. The scripts execute when users access an infected page, but only if the targeted Textarea field has the Rich-Text editor enabled.

Detection Guidance

To detect this vulnerability, inspect WordPress sites using the Forminator plugin version 1.57.0.1 or lower. Check if Rich-Text Textarea fields are enabled and review stored input for malicious scripts. Use security plugins like Wordfence to scan for XSS patterns.

Impact Analysis

An attacker could steal user sessions, redirect users to malicious sites, or perform actions on their behalf. This could lead to data theft, account compromise, or malware distribution. The impact depends on the privileges of the affected users and the plugin's usage on the site.

Compliance Impact

This vulnerability could lead to unauthorized access to user data, violating GDPR's data protection requirements. For HIPAA, it may compromise protected health information if exploited on healthcare-related sites. Non-compliance risks fines, legal action, and reputational damage.

Mitigation Strategies

Update the Forminator plugin to the latest version immediately. Disable the Rich-Text editor option for Textarea fields if not required. Implement a web application firewall to block XSS attempts. Monitor for suspicious activity in form submissions.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-18324. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart