6.4
Medium
CVE-2023-6692 The Ultimate Blocks – WordPress Blocks Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via…
Description
The Ultimate Blocks – WordPress Blocks Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's tab anchor metabox in all versions up to, and including, 3.0.8 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Ultimate Blocks – WordPress Blocks Plugin 3.1 | earliest → 3.1.0 | No fix stated |
| Ultimate Blocks – 25+ Gutenberg Blocks for Block Editor 3.1 | earliest → 3.1.0 | No fix stated |
Other CVEs of Ultimate Blocks – WordPress Blocks Plugin
The 7 CVEs of Ultimate Blocks – WordPress Blocks Plugin →
CVE-2025-2918
The Ultimate Blocks – WordPress Blocks Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via…
6.4
Medium
CVE-2025-1312
The Ultimate Blocks – WordPress Blocks Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via…
6.4
Medium
CVE-2025-1703
The Ultimate Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘content’ parameter in all…
6.4
Medium
CVE-2022-4974
The Freemius SDK, as used by hundreds of WordPress plugin and theme developers, was vulnerable to Cross-Site Request…
6.3
Medium