CVE-2026-73364: CWE-502 Deserialization of Untrusted Data in wpdesk Flexible Subscriptions
Description
CVE-2026-73364 is a critical vulnerability in the wpdesk Flexible Subscriptions plugin for WordPress. It involves PHP Object Injection due to deserialization of untrusted data in versions up to and including 1.8.1. This flaw allows an attacker to execute arbitrary code remotely without any privileges or user interaction.
CVSS v3.1
Score 9.8critical
Affected software
wpdesk
Flexible Subscriptions
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-502 (Deserialization of Untrusted Data), affects wpdesk Flexible Subscriptions plugin versions up to 1.8.1. It enables an attacker to perform PHP Object Injection by exploiting unsafe deserialization mechanisms. The CVSS 3.1 score is 9.8, indicating a critical severity with network attack vector, no required privileges or user interaction, and full confidentiality, integrity, and availability impact.
Potential Impact
Successful exploitation can lead to remote code execution with full system impact, compromising confidentiality, integrity, and availability of the affected system. No privileges or user interaction are required, making this vulnerability highly exploitable remotely.
Mitigation Recommendations
No official patch or remediation details are provided in the available data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, avoid using affected versions or apply any vendor-recommended mitigations once published.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-08-12T10:51:25.492Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a85aa9dacd9273b4918fe73
Added to database: 08/19/2026, 13:07:41 UTC
Last enriched: 09/11/2026, 09:18:33 UTC
Last updated: 10/04/2026, 10:02:29 UTC
Views: 36
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