CVE-2025-2918 Information

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Reference

https://plugins.trac.wordpress.org/browser/ultimate-blocks/tags/3.2.9/src/blocks/content-filter/block.php#L14 https://plugins.trac.wordpress.org/browser/ultimate-blocks/tags/3.2.9/src/blocks/content-toggle/block.php#L133 https://plugins.trac.wordpress.org/browser/ultimate-blocks/tags/3.2.9/src/blocks/how-to/block.php#L335 https://plugins.trac.wordpress.org/browser/ultimate-blocks/tags/3.2.9/src/blocks/tabbed-content/block.php#L136 https://www.wordfence.com/threat-intel/vulnerabilities/id/41b2a4cc-fb23-41eb-b1a4-d793ae924d9a?source=cve

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.4