CVE-2026-73364
WordPress Flexible Subscriptions plugin <= 1.8.1 - PHP Object Injection vulnerability
Customer PHP Object Injection in Flexible Subscriptions <= 1.8.1 versions.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
WordPress Flexible Subscriptions plugin <= 1.8.1 - PHP Object Injection vulnerability
Customer PHP Object Injection in Flexible Subscriptions <= 1.8.1 versions.
- Record
CVE-2026-73364- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
EUVDEUVD-2026-62384
Customer PHP Object Injection in Flexible Subscriptions <= 1.8.1 versions.
- Record
EUVD-2026-62384- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-r5mm-45xf-59fx
Customer PHP Object Injection in Flexible Subscriptions <= 1.8.1 versions.
Customer PHP Object Injection in Flexible Subscriptions <= 1.8.1 versions.
- Record
GHSA-r5mm-45xf-59fx- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
NVD
Customer PHP Object Injection in Flexible Subscriptions <= 1.8.1 versions.
- Record
CVE-2026-73364- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-73364 is a critical vulnerability (CVSS 9.8) in Wpdesk Flexible Subscriptions, published August 19, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.56%, the 47th percentile. No source names a fixed version.