CVE-2026-66620
WordPress OptionTree plugin <= 2.7.3 - PHP Object Injection vulnerability
Editor PHP Object Injection in OptionTree <= 2.7.3 versions.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
WordPress OptionTree plugin <= 2.7.3 - PHP Object Injection vulnerability
Editor PHP Object Injection in OptionTree <= 2.7.3 versions.
- Record
CVE-2026-66620- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
EUVDEUVD-2026-60913
Editor PHP Object Injection in OptionTree <= 2.7.3 versions.
- Record
EUVD-2026-60913- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-rcj8-2wj2-6g63
Editor PHP Object Injection in OptionTree <= 2.7.3 versions.
Editor PHP Object Injection in OptionTree <= 2.7.3 versions.
- Record
GHSA-rcj8-2wj2-6g63- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
NVD
Editor PHP Object Injection in OptionTree <= 2.7.3 versions.
- Record
CVE-2026-66620- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-66620 is a high vulnerability (CVSS 7.2) in Derek Herman Optiontree, published August 18, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.54%, the 45th percentile. No source names a fixed version.