CVE-2026-19116: CWE-502 Deserialization of Untrusted Data in User Frontend
The User Frontend WordPress plugin before 4.3.11 does not prevent user-supplied field values from being deserialized when a submitted post is reopened in its frontend editing form, allowing authenticated users with subscriber-level access and above to perform PHP Object Injection, which may lead to remote code execution when a suitable gadget chain is present on the site.
CVE-2026-19116: CWE-502 Deserialization of Untrusted Data in User Frontend
Description
The User Frontend WordPress plugin before 4.3.11 does not prevent user-supplied field values from being deserialized when a submitted post is reopened in its frontend editing form, allowing authenticated users with subscriber-level access and above to perform PHP Object Injection, which may lead to remote code execution when a suitable gadget chain is present on the site.
CVSS v3.1
Score 8.8high
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-08-06T14:36:33.718Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a97bd31acd9273b49d9bb97
Added to database: 09/02/2026, 06:07:45 UTC
Last updated: 09/03/2026, 03:52:00 UTC
Views: 14
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