F4 Post Tree vulnerabilities
Plugin slug f4-tree · 3 known vulnerabilities · latest disclosed 2026-08-08 · WordPress.org page
Every listed vulnerability has a fix. Version 2.0.5 or later is not affected by any of them. If your site runs an older version, update it.
0 of 3 rated high or critical (CVSS 7 or more).
Known vulnerabilities in F4 Post Tree
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| Medium 4.3 | <= 2.0.4 | 2.0.5 | CVE-2026-9676 | 2026-08-08 | Advisory |
| Medium 6.1 | <= 1.1.18 | 1.1.19 | CVE-2025-22499 | 2025-01-07 | Advisory |
| Medium 6.1 | 1.1.0 to 1.1.14 | 1.1.15 | CVE-2023-33999 | 2023-07-18 | Advisory |
Check if a site is affected
Enter a site address to see which version of F4 Post Tree and other plugins it runs, and whether they match a known vulnerability.
Questions
Is the F4 Post Tree plugin safe to use?
All 3 known issues are fixed in current versions (2.0.5 or later). Keeping it updated is what matters.
How do I check which version of F4 Post Tree 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.