The option-tree plugin before 2.7.3 for WordPress has Object Injection because serialized classes are mishandled.
Priority MEDIUM 46CWE-502Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-502.
Summary
The option-tree plugin before 2.7.3 for WordPress has Object Injection because serialized classes are mishandled.
Why it matters now
EPSS 0.02147 82nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:optiontree_project:optiontree:*:*:*:*:*:wordpress:*:* | before 2.7.3 | Vulnerable | Optiontree Project |
- cpe:2.3:a:optiontree_project:optiontree:*:*:*:*:*:wordpress:*:* Versions before 2.7.3 Vulnerable ·Optiontree Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-15321
- 2026-10-03 Alias added: GHSA-hwg2-m583-m62g
References
More Optiontree Project Optiontree vulnerabilities
- TI-2019-11424 The option-tree plugin before 2.7.3 for WordPress has Object Injection because the + character is mishandled. CVSS 3.0CRITICAL 9.8
- TI-2019-11423 The option-tree plugin before 2.7.0 for WordPress has Object Injection by leveraging a valid nonce. CVSS 3.0CRITICAL 9.8
- TI-2016-08933 The option-tree plugin before 2.6.0 for WordPress has XSS via an add_list_item or add_social_links AJAX request. CVSS 3.0MEDIUM 6.1
- TI-2015-07697 The option-tree plugin before 2.5.4 for WordPress has XSS related to add_query_arg. CVSS 3.1MEDIUM 6.1
Sources
- CVE-2019-15321 · CVE Program
- CVE-2019-15321 · NVD
- FIRST EPSS
- GHSA-hwg2-m583-m62g · GitHub Advisory Database · CC BY 4.0
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