HomeWordPress vulnerabilitiesFlexible Checkout Fields for WooCommerce
Flexible Checkout Fields for WooCommerce vulnerabilities
Flexible Checkout Fields for WooCommerce has 1 known vulnerability in this database. The most recent published record is dated 7 Jun 2023.
- Known vulnerabilities
- 1
- Active installs
- 80,000+
- Latest version
- 4.1.42
- Last updated
- 21 Sep 2026
- Most recent
- 7 Jun 2023
Find it in your WordPress dashboard under Plugins. Severity is based on the CVSS score published with the CVE where one is available.
| Vulnerability | Severity | Affected | Fix | Published |
|---|---|---|---|---|
| Cross-site scripting (XSS) CVE-2020-36731 | High 7.2 | Up to 2.3.1 | Fixed in a later version (latest 4.1.42) | 7 Jun 2023 |
Read the published descriptions
- CVE-2020-36731, 7 Jun 2023
- 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. CVE record
What to do if you run Flexible Checkout Fields for WooCommerce
If you run Flexible Checkout Fields for WooCommerce, open WordPress and check the installed version in Plugins. Compare it with the affected versions in the vulnerability record. If a fixed version is available, take a current backup and update to that version or the latest supported release.
If no fixed version exists, consider disabling and removing the plugin or replacing it with a maintained alternative. After dealing with the affected software, check administrator users, unexpected file changes, redirects, unfamiliar pages and security logs for signs that the site may already have been altered.
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