XSS in Wpdesk Flexible Checkout Fields
CVE-2020-36731
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.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.013 (68.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@wordfence.com (Third Party Advisory)
- security@wordfence.com (Exploit)
- security@wordfence.com (Exploit)
Frequently asked questions
- What is CVE-2020-36731?
- CVE-2020-36731 is a high-severity vulnerability in Wpdesk Flexible Checkout Fields, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2023-06-07.
- How severe is CVE-2020-36731?
- High severity. CVSS v3 base score is 7.2 out of 10.
- Is CVE-2020-36731 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.