Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPMU DEV Forminator forminator allows Stored… (CVE-2026-102388)

CVE-2026-102388 describes a stored cross-site scripting (XSS) vulnerability in the WPMU DEV Forminator plugin for WordPress. The issue arises from improper neutralization of input during web page generation, allowing attackers to inject and store malicious scripts that execute when viewed by other users. The vulnerability affects all versions of Forminator up to and including 1.57.3. The CVSS v3.1 base score is 7.1, indicating a high severity with network attack vector, low attack complexity, no privileges required, user interaction required, and impacts on confidentiality, integrity, and availability.

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary scripts in the context of the affected application, potentially leading to data theft, session hijacking, or other malicious actions impacting confidentiality, integrity, and availability of the system.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch link is provided in the available data. Users should monitor the vendor's security advisories for updates and apply patches once available. Until then, consider applying temporary mitigations such as input validation or disabling vulnerable features if feasible.