Master Blocks – Ultimate Blocks for Marketers vulnerabilities
Plugin slug ultimate-blocks-for-gutenberg · 2 known vulnerabilities · latest disclosed 2026-09-16 · WordPress.org page
Every listed vulnerability has a fix. Version 1.5.0 or later is not affected by any of them. If your site runs an older version, update it.
2 of 2 rated high or critical (CVSS 7 or more).
Known vulnerabilities in Master Blocks – Ultimate Blocks for Marketers
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| High 7.2 | 1.4.1 to 1.4.1.4 | 1.5.0 | CVE-2026-88824 | 2026-09-16 | Advisory |
| High 8.8 | <= 1.4.1.3 | 1.4.1.4 | CVE-2025-10896 | 2025-11-03 | Advisory |
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Questions
Is the Master Blocks – Ultimate Blocks for Marketers plugin safe to use?
All 2 known issues are fixed in current versions (1.5.0 or later). Keeping it updated is what matters.
How do I check which version of Master Blocks – Ultimate Blocks for Marketers my site runs?
In WordPress go to Plugins > Installed Plugins. From the outside, the free PluginPeek scan below reads the version from the site's public files.
How do I fix a vulnerable plugin?
Make a full backup, then update it from Dashboard > Updates and check the site afterwards. If you would rather not, we can do it for a fixed $99, paid after you have checked the site.