OptionTree vulnerabilities
Plugin slug option-tree · 6 known vulnerabilities · latest disclosed 2026-08-18 · WordPress.org page
1 vulnerability has no fixed version yet. If you use this plugin, consider disabling or replacing it until a fix is released.
3 of 6 rated high or critical (CVSS 7 or more).
Known vulnerabilities in OptionTree
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| Medium 6.6 | <= 2.7.3 | No fix yet | CVE-2026-66620 | 2026-08-18 | Advisory |
| Medium 6.1 | <= 2.5.5 | 2.6 | CVE-2016-10895 | 2019-08-16 | Advisory |
| High 8.1 | <= 2.7.2 | 2.7.3 | CVE-2019-15320 | 2019-05-19 | Advisory |
| High 8.1 | <= 2.7.2 | 2.7.3 | CVE-2019-15321 | 2019-05-19 | Advisory |
| High 8.1 | <= 2.6.0 | 2.7.0 | CVE-2019-15319 | 2019-04-16 | Advisory |
| Medium 6.1 | <= 2.5.3 | 2.5.4 | CVE-2015-9320 | 2015-04-22 | Advisory |
Check if a site is affected
Enter a site address to see which version of OptionTree and other plugins it runs, and whether they match a known vulnerability.
Questions
Is the OptionTree plugin safe to use?
1 known issue(s) have no fix yet, so check the table above before using it.
How do I check which version of OptionTree 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.