CVE-2025-2918

medium

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.

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/41b2a4cc-fb23-41eb-b1a4-d793ae924d9a?source=cve

https://plugins.trac.wordpress.org/browser/ultimate-blocks/tags/3.2.9/src/blocks/tabbed-content/block.php#L136

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/content-toggle/block.php#L133

https://plugins.trac.wordpress.org/browser/ultimate-blocks/tags/3.2.9/src/blocks/content-filter/block.php#L14

Details

Source: Mitre, NVD

Published: 2025-06-10

Updated: 2025-06-12

Risk Information

CVSS v2

Base Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.4

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Severity: Medium

EPSS

EPSS: 0.00031