PT-2025-21948 · Unknown · Ultimate Blocks

Zaim · Published 2025-05-19 · Updated 2025-05-19 · CVE-2025-48234

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: Ultimate Blocks versions n/a through 3.3.0

Description: The issue is related to Improper Neutralization of Input During Web Page Generation, also known as Cross-site Scripting. This allows for DOM-Based XSS attacks.

Recommendations: For Ultimate Blocks versions n/a through 3.3.0, update to a version later than 3.3.0 to resolve the issue. As a temporary workaround, consider restricting user input to prevent malicious scripts from being injected into the webpage. Avoid using the vulnerable Ultimate Blocks version in production environments until a patch is applied.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-48234

Affected Products

Ultimate Blocks

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2025-48234 · Security Note
• https://patchstack.com/database/Wordpress/Plugin/ultimate-blocks/vulnerability/wordpress-ultimate-blocks-3-3-0-cross-site-scripting-xss-vulnerability?_s_id=cve · Note
• https://twitter.com/CVEnew/status/1924484872699011333 · Twitter Post
• https://patchstack.com/database/wordpress/plugin/ultimate-blocks/vulnerability/wordpress-ultimate-blocks-3-3-0-cross-site-scripting-xss-vulnerability?_s_id=cve · Note