CVE-2026-54859
WordPress Preservation theme <= 1.15 - PHP Object Injection vulnerability
- State
- Published
- Severity
- 9.8 Critical
- Published
- Oct 29, 2026
- Updated
- Oct 29, 2026
- Reserved
- Jun 16, 2026
Description
Unauthenticated PHP Object Injection in Preservation <= 1.15 versions.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | Patchstack |
Weaknesses
- CWE-502 Deserialization of Untrusted Data
Affected Products
| Product | Versions |
|---|---|
PreservationThemeREX |
|
References
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