Medium severity6.4NVD Advisory· Published Jul 2, 2024· Updated Apr 8, 2026
CVE-2024-4268
CVE-2024-4268
Description
The Ultimate Blocks – WordPress Blocks Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's blocks in all versions up to, and including, 3.1.9 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. CVE-2024-37457 may be a duplicate of this issue.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
12- plugins.trac.wordpress.org/changeset/3075315/ultimate-blocksnvdPatch
- plugins.trac.wordpress.org/changeset/3108401/nvdPatch
- www.wordfence.com/threat-intel/vulnerabilities/id/00b60b53-77bf-4640-bf2b-84e011014623nvdThird Party Advisory
- gist.github.com/webber-naut/0a8a4f810da286392a43c4614d31712envdBroken Link
- plugins.trac.wordpress.org/browser/ultimate-blocks/trunk/src/blocks/advanced-heading/block.phpnvdProduct
- plugins.trac.wordpress.org/browser/ultimate-blocks/trunk/src/blocks/how-to/block.phpnvdProduct
- plugins.trac.wordpress.org/browser/ultimate-blocks/trunk/src/blocks/image-slider/block.phpnvdProduct
- plugins.trac.wordpress.org/browser/ultimate-blocks/trunk/src/blocks/styled-box/block.phpnvdProduct
- plugins.trac.wordpress.org/browser/ultimate-blocks/trunk/src/blocks/testimonial/block.phpnvdProduct
- plugins.trac.wordpress.org/browser/ultimate-blocks/trunk/src/extensions/custom-css/class-custom-css.phpnvdProduct
- wordpress.org/plugins/ultimate-blocks/nvdProduct
- www.dropbox.com/scl/fi/zh7t1qsvxkxk2dfhwd7nn/Ultimate-Blocks-Stored-XSS_POC_4.20.24.movnvdBroken Link
News mentions
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