CVE-2026-28143
Received Received - Intake

Unauthenticated XSS in Forminator Plugin

Vulnerability report for CVE-2026-28143, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-08-06

Last updated on: 2026-08-06

Assigner: Patchstack

Description

Unauthenticated Cross Site Scripting (XSS) in Forminator <= 1.56.0 versions.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-08-06
Last Modified
2026-08-06
Generated
2026-08-06
AI Q&A
2026-08-06
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
wpform forminator 1.56.0

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.

Attack-Flow Graph

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Executive Summary

This is an Unauthenticated Cross Site Scripting (XSS) vulnerability affecting Forminator plugin versions up to and including 1.56.0. It allows attackers to inject malicious scripts into web pages viewed by other users without needing authentication.

Detection Guidance

This vulnerability is an unauthenticated XSS in Forminator <= 1.56.0. To detect it, inspect web forms or inputs for suspicious JavaScript payloads. Check Forminator plugin versions and look for unusual user input handling. No specific commands are provided in the context.

Impact Analysis

An attacker could exploit this to steal user sessions, redirect users to malicious sites, or perform actions on their behalf. It may lead to unauthorized data access or account compromise for users interacting with vulnerable forms.

Compliance Impact

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

Mitigation Strategies

Update Forminator to the latest version (1.56.1 or higher) to patch the XSS vulnerability. If immediate update is not possible, disable the plugin temporarily until patched.

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