6.4
Medium
CVE-2025-2918 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 multiple widgets in all versions up to, and including, 3.3.3 due to insufficient input sanitization and output escaping. 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 and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Ultimate Blocks – WordPress Blocks Plugin 3.3 | earliest → 3.3.3 | No fix stated |
| Ultimate Blocks – 25+ Gutenberg Blocks for Block Editor 3.3 | earliest → 3.3.3 | No fix stated |
Other CVEs of Ultimate Blocks – WordPress Blocks Plugin
The 7 CVEs of Ultimate Blocks – WordPress Blocks Plugin →
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
CVE-2024-4268
The Ultimate Blocks – WordPress Blocks Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via…
6.4
Medium