CVE-2026-19719: Social Media Share Buttons & Social Sharing Icons < 3.0.1 - Contributor+ Stored XSS via Post Title
The Social Media Share Buttons & Social Sharing Icons WordPress plugin before 3.0.1 does not escape the post title before outputting it in an inline JavaScript event handler, allowing users with the Contributor role and above to perform Stored Cross-Site Scripting attacks which are triggered when a visitor interacts with the affected button. Exploitation requires the Social Media Share Buttons & Social Sharing Icons WordPress plugin before 3.0.1 to be running a non-default icon display configuration.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
wordpress/Social Media Share Buttons & Social Sharing Iconsto a version that resolves this vulnerability.Fixed in 3.0.1 - Compensating control
Ensure the Social Media Share Buttons & Social Sharing Icons WordPress plugin is not running with a non-default icon display configuration, since exploitation requires a non-default icon display configuration.
Event History
Frequently Asked Questions
Who can exploit this issue?
A user with the WordPress Contributor role or any higher-privileged role can exploit the issue by using a crafted post title.
Are default plugin settings affected?
Exploitation requires a non-default icon display configuration. The issue is not exploitable under the plugin's default icon display configuration based on the available information.
When is the injected script triggered?
The stored script is triggered when a visitor interacts with the affected social-sharing button.
What version should be used to remediate the issue?
Update the Social Media Share Buttons & Social Sharing Icons plugin to version 3.0.1 or later. The vulnerability affects versions before 3.0.1.