CVE-2019-15321
The option-tree plugin before 2.7.3 for WordPress has Object Injection because serialized classes...
The option-tree plugin before 2.7.3 for WordPress has Object Injection because serialized classes are mishandled.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
The option-tree plugin before 2.7.3 for WordPress has Object Injection because serialized classes are mishandled.
- Record
CVE-2019-15321- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-502
- Updated
- 2026-11-02
CVE List No score
The option-tree plugin before 2.7.3 for WordPress has Object Injection because serialized classes are mishandled.
- Record
CVE-2019-15321- Updated
- 2026-11-02
EUVDEUVD-2019-6322 No score
The option-tree plugin before 2.7.3 for WordPress has Object Injection because serialized classes are mishandled.
- Record
EUVD-2019-6322- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hwg2-m583-m62g No score
The option-tree plugin before 2.7.3 for WordPress has Object Injection because serialized classes...
The option-tree plugin before 2.7.3 for WordPress has Object Injection because serialized classes are mishandled.
- Record
GHSA-hwg2-m583-m62g- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-15321 is a critical vulnerability (CVSS 9.8) in Optiontree Project Optiontree, published August 22, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.15%, the 82nd percentile. No source names a fixed version.