Flexible Checkout Fields for WooCommerce <= 2.3.1 - Unauthenticated Arbitrary Plugin Settings Update
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
The Flexible Checkout Fields for WooCommerce plugin for WordPress is vulnerable to Unauthenticated Arbitrary Plugin Settings update, in addition to Stored Cross-Site Scripting in versions up to, and including, 2.3.1. This is due to missing authorization checks on the updateSettingsAction() function which is called via an admin_init hook, along with missing sanitization and escaping on the settings that are stored.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| wpdesk | Flexible Checkout Fields for WooCommerce – WooCommerce Checkout Manager | before 2.3.2 | 2.3.2 | Patch available | CNA |
- Flexible Checkout Fields for WooCommerce – WooCommerce Checkout Manager Vendorwpdesk Affected before 2.3.2 Fixed in 2.3.2 Patch available CNA
Remediation
- Fix · CNA Flexible Checkout Fields for WooCommerce – WooCommerce Checkout Manager (wpdesk) Fixed in 2.3.2
Timeline
- 2026-10-02 Threatist record created from CVE-2020-36731
- 2026-10-03 Alias added: GHSA-x5rc-5886-54gw
References
Exploit 2
More wpdesk Flexible Checkout Fields vulnerabilities
- TI-2024-20643 WordPress Flexible Checkout Fields for WooCommerce plugin <= 4.1.2 - Broken Access Control vulnerability CVSS 3.1HIGH 8.8
Sources
- CVE-2020-36731 · CVE Program
- CVE-2020-36731 · NVD
- FIRST EPSS
- GHSA-x5rc-5886-54gw · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences