CVE-2026-102388
Received Received - Intake

Stored XSS in Forminator WordPress Plugin

Publication date: 2026-10-10

Last updated on: 2026-10-10

Assigner: Patchstack

Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPMU DEV Forminator forminator allows Stored XSS.This issue affects Forminator: from n/a through 1.57.3.

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Meta Information

Published
2026-10-10
Last Modified
2026-10-10
Generated
2026-10-10
AI Q&A
2026-10-10
EPSS Evaluated
N/A
NVD
CVE-2026-102388
EUVD
EUVD-2026-96321

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
WPMU DEV Forminator 0

Helpful Resources

Exploitability

CWE
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KEV
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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.

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Executive Summary

This is a Stored Cross-Site Scripting (XSS) vulnerability in the WPMU DEV Forminator plugin. It occurs due to improper neutralization of user input during web page generation, allowing attackers to inject malicious scripts that are stored on the server and executed when other users view the affected pages.

Detection Guidance

To detect this Stored XSS vulnerability in WPMU DEV Forminator, inspect form submissions and database entries for malicious scripts. Check web server logs for unusual input patterns. Manually review forminator plugin files for unsanitized user input handling.

Impact Analysis

An attacker could exploit this to steal user session cookies, redirect users to malicious sites, or perform actions on their behalf. Users with admin access could have their accounts compromised, leading to full site takeover or data theft.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive user data, violating GDPR's data protection requirements and HIPAA's safeguards for protected health information. Organizations may face fines or penalties for failing to protect user data adequately.

Mitigation Strategies

Immediately update Forminator to the latest version (1.57.3 or later). Disable the plugin temporarily if an update is unavailable. Implement input validation and output encoding for all form fields. Monitor for suspicious activity in web server logs.

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