Content Blocks (Custom Post Widget) vulnerabilities
Plugin slug custom-post-widget · 6 known vulnerabilities · latest disclosed 2026-04-17 · WordPress.org page
Every listed vulnerability has a fix. Version 3.4.1 or later is not affected by any of them. If your site runs an older version, update it.
1 of 6 rated high or critical (CVSS 7 or more).
Known vulnerabilities in Content Blocks (Custom Post Widget)
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| Medium 6.4 | <= 3.3.9 | 3.4.1 | CVE-2026-0894 | 2026-04-17 | Advisory |
| Medium 6.4 | <= 3.3.5 | 3.3.6 | CVE-2024-6432 | 2025-02-19 | Advisory |
| Medium 6.4 | <= 3.3.5 | 3.3.6 | CVE-2024-44051 | 2024-09-05 | Advisory |
| Medium 6.4 | <= 3.3.0 | 3.3.1 | CVE-2024-3565 | 2024-05-31 | Advisory |
| High 8.8 | <= 3.3.0 | 3.3.1 | CVE-2024-3564 | 2024-05-31 | Advisory |
| Medium 6.4 | <= 3.3.0 | 3.3.1 | CVE-2024-34566 | 2024-05-07 | Advisory |
Check if a site is affected
Enter a site address to see which version of Content Blocks (Custom Post Widget) and other plugins it runs, and whether they match a known vulnerability.
Questions
Is the Content Blocks (Custom Post Widget) plugin safe to use?
All 6 known issues are fixed in current versions (3.4.1 or later). Keeping it updated is what matters.
How do I check which version of Content Blocks (Custom Post Widget) 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.