WordPress plugin
OptionTree security & vulnerabilities
Unpatched vulnerability in the latest version
At least one vulnerability affects the latest version and no fix has been released. Deactivate the plugin or restrict access to the affected feature until the vendor ships a patch.
- Critical0
- High3
- Medium3
- Low0
All OptionTree vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High8.1 | Object Injection Bypass ≤2.7.2Update to 2.7.3 | CVE-2019-15320 | |
| High8.1 | Object Injection Bypass ≤2.7.2Update to 2.7.3 | CVE-2019-15321 | |
| High8.1 | PHP Object Injection ≤2.6.0Update to 2.7.0 | CVE-2019-15319 |
- High8.1Object Injection Bypass
≤2.7.2Update to 2.7.3
- High8.1Object Injection Bypass
≤2.7.2Update to 2.7.3
- High8.1PHP Object Injection
≤2.6.0Update to 2.7.0
OptionTree: common questions
Does OptionTree have known vulnerabilities?
Yes. VulnCrest Radar lists 6 known vulnerabilities in OptionTree: 3 high, 3 medium. At least one is not fixed in the latest version.
How do I check which version of OptionTree 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 OptionTree vulnerability?
CVE-2026-66620, published Aug 18, 2026: OptionTree <= 2.7.3 - Authenticated (Editor+) PHP Object Injection. Severity: Medium (CVSS 6.6).
Is any OptionTree vulnerability listed in CISA KEV?
No. None of the known OptionTree vulnerabilities is currently listed in the CISA KEV catalog.