Medium severity6.4NVD Advisory· Published Jun 10, 2025· Updated Jun 17, 2026
CVE-2025-2918
CVE-2025-2918
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4- ultimateblocks/Ultimate Blocks – 25+ Gutenberg Blocks for Block Editorv5Range: 0
(expand)+ 1 more
- (no CPE)
- (no CPE)range: <=3.3.3
Patches
Vulnerability mechanics
References
5- www.wordfence.com/threat-intel/vulnerabilities/id/41b2a4cc-fb23-41eb-b1a4-d793ae924d9anvdThird Party Advisory
- plugins.trac.wordpress.org/browser/ultimate-blocks/tags/3.2.9/src/blocks/content-filter/block.phpnvdProduct
- plugins.trac.wordpress.org/browser/ultimate-blocks/tags/3.2.9/src/blocks/content-toggle/block.phpnvdProduct
- plugins.trac.wordpress.org/browser/ultimate-blocks/tags/3.2.9/src/blocks/how-to/block.phpnvdProduct
- plugins.trac.wordpress.org/browser/ultimate-blocks/tags/3.2.9/src/blocks/tabbed-content/block.phpnvdProduct
News mentions
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