WordPress plugin
Master Blocks – Ultimate Blocks for Marketers security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 2 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
- Critical0
- High2
- Medium0
- Low0
All Master Blocks – Ultimate Blocks for Marketers vulnerabilities
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Master Blocks – Ultimate Blocks for Marketers: common questions
Does Master Blocks – Ultimate Blocks for Marketers have known vulnerabilities?
Yes. VulnCrest Radar lists 2 known vulnerabilities in Master Blocks – Ultimate Blocks for Marketers: 2 high. None are known to affect version null.
How do I check which version of Master Blocks – Ultimate Blocks for Marketers I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent Master Blocks – Ultimate Blocks for Marketers vulnerability?
CVE-2026-88824, published Sep 16, 2026: Master Blocks 1.4.1 - 1.4.1.4 - Unauthenticated Stored Cross-Site Scripting. Severity: High (CVSS 7.2).
Is any Master Blocks – Ultimate Blocks for Marketers vulnerability listed in CISA KEV?
No. None of the known Master Blocks – Ultimate Blocks for Marketers vulnerabilities is currently listed in the CISA KEV catalog.