CVE-2024-3648: Sharethis Share Buttons

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

The ShareThis Share Buttons plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'sharethis-inline-button' shortcode in all versions up to, and including, 2.3.0 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.

Affected products

• Sharethis Sharethis Share Buttons: before 2.3.1 (fixed in 2.3.1)

Published 2024-05-23. Last modified 2026-06-17.