What the vulnerability does
01Description
The WordPress Pinterest Plugin – Make a Popup, User Profile, Masonry and Gallery Layout plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'gs_pin_widget' shortcode in all versions up to, and including, 1.8.8 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Explanation of Vulnerability in Simple Terms
02Summary
GS Pinterest Portfolio allows authenticated users to inject malicious scripts that execute in other users' browsers. The vulnerability exists in versions up to 1.8.8 and affects the plugin's grid, masonry, profile, popup, and board widgets. An attacker with low-level access can craft malicious input that bypasses sanitization, impacting site visitors and administrators. Update immediately to a version newer than 1.8.8.
What an attacker can do
03Attacker Capabilities
Inject JavaScript that runs in other users' browsers, stealing session tokens or performing actions on their behalf.
Potential impact on your site
04Site Impact
Visitors and admins may have their sessions hijacked or be redirected to malicious sites; site reputation and user trust at risk.
Conditions required to exploit
05Prerequisites
Attacker needs a low-privilege account (subscriber or contributor level) on the WordPress site.
Key dates
06Disclosure timeline
December 3, 2024
CVE published
April 8, 2026
Record updated
