What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in FancyThemes Optin Forms – Simple List Building Plugin for WordPress allows Stored XSS.This issue affects Optin Forms – Simple List Building Plugin for WordPress: from n/a through 1.3.3.
Explanation of Vulnerability in Simple Terms
02Summary
The Optin Forms plugin for WordPress contains a stored cross-site scripting (XSS) vulnerability in versions up to 1.3.3. An authenticated user with high privileges can inject malicious scripts that execute in the browsers of other site visitors. The vulnerability requires user interaction to trigger and affects the plugin's form handling. Site administrators should update the plugin immediately.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that run in visitors' browsers when they view affected pages.
Potential impact on your site
04Site Impact
Malicious code could steal visitor data, redirect users, or deface your site's content.
Conditions required to exploit
05Prerequisites
Attacker must have high-level WordPress account access and a victim must view the affected page.
Key dates
06Disclosure timeline
December 14, 2023
CVE published
April 28, 2026
Record updated