WordPress · Post Blocks · CVE-2024-1988
**Name of the Vulnerable Software and Affected Versions**
The Post Grid, Form Maker, Popup Maker, WooCommerce Blocks, Post Blocks, Post Carousel – Combo Blocks plugin for WordPress versions up to, and including, 2.2.80
**Description**
The issue is related to Stored Cross-Site Scripting via the `tag` attribute in blocks due to insufficient input sanitization and output escaping. This allows 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.
**Recommendations**
For versions up to, and including, 2.2.80, update to a version higher than 2.2.80 to resolve the issue. As a temporary workaround, consider restricting access to the `tag` attribute in blocks to minimize the risk of exploitation. Additionally, ensure that only trusted users have contributor-level access and above to reduce the potential for arbitrary web script injection.