CVE-2026-81283: CWE-502 Deserialization of Untrusted Data in weDevs WP User Frontend
Description
Subscriber PHP Object Injection in WP User Frontend <= 4.3.10 versions.
CVSS v3.1
Score 8.8high
Affected software
weDevs
WP User Frontend
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability is a PHP Object Injection in WP User Frontend plugin versions up to 4.3.10, caused by unsafe deserialization of untrusted data (CWE-502). It allows an attacker with at least low privileges (PR:L) and no user interaction (UI:N) to execute arbitrary code or manipulate application state, resulting in high impact on confidentiality, integrity, and availability. The CVSS 3.1 base score is 8.8, indicating a high severity risk. The vulnerability is publicly known but no official fix or patch has been released as of the published date.
Potential Impact
Successful exploitation can lead to full compromise of the affected system's confidentiality, integrity, and availability. An attacker could execute arbitrary code or manipulate application data, potentially leading to system takeover or data breaches.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, consider restricting access to the plugin features requiring deserialization or applying temporary mitigations recommended by the vendor if available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-08-26T17:33:24.196Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a980a95acd9273b492f67e5
Added to database: 09/02/2026, 11:37:57 UTC
Last enriched: 09/07/2026, 14:01:20 UTC
Last updated: 10/17/2026, 18:48:23 UTC
Views: 96
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