CVE-2026-28143 HIGH

CVE-2026-28143: WordPress Forminator plugin <= 1.56.0 - Cross Site Scripting (XSS) vulnerability

Vendor Wpmu Dev

Product Forminator

Weakness CWE-79 · XSS

Published August 6, 2026

Last update August 6, 2026

View on NVD All CVEs

CVSS base score

7.1/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction Required

Confidentiality Low

Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

What the vulnerability does

01Description

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

Explanation of Vulnerability in Simple Terms

02Summary

Forminator versions up to 1.56.0 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users. The vulnerability requires user interaction—typically clicking a malicious link—and can affect multiple users across the site. Update to version 1.56.2 or later to resolve this issue.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that execute in other users' browsers when they view affected pages.

Potential impact on your site

04Site Impact

Site visitors could be redirected, have sessions hijacked, or have their data stolen via injected scripts.

Conditions required to exploit

05Prerequisites

No authentication required. Victim must click a malicious link or visit an attacker-controlled page.

Key dates

06Disclosure timeline

August 6, 2026 CVE published

August 6, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-28143 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

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