CVE-2025-2918

MEDIUM

The Ultimate Blocks - WordPress Blocks Plugin <3.3.3 - XSS

Title source: llm
STIX 2.1

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 (5)

Core 5

Scores

CVSS v3 6.4
EPSS 0.0022
EPSS Percentile 12.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (2)
dotcamp/ultimate_blocks < 3.3.4
ultimateblocks/Ultimate Blocks – 25+ Gutenberg Blocks for Block Editor < 3.3.3
Published Jun 10, 2025
Tracked Since Feb 18, 2026