Stored Cross-Site Scripting Vulnerability in Ultimate Blocks Plugin for WordPress
CVE-2025-1703

6.4MEDIUM

Key Information:

Vendor

WordPress

Vendor
CVE Published:
26 March 2025

What is CVE-2025-1703?

The Ultimate Blocks plugin for WordPress is prone to a Stored Cross-Site Scripting vulnerability via the 'content' parameter. This issue arises from inadequate input sanitization and output escaping, allowing authenticated users with Contributor-level access or higher to embed malicious scripts into pages. These scripts will execute upon user access to the compromised page, escalating the risk of attacks against unsuspecting users and potentially compromising their data.

Affected Version(s)

Ultimate Blocks – WordPress Blocks Plugin * <= 3.2.7

References

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Peter Thaleikis
.