7.2

CVE-2020-36731: wordpress flexible-checkout-fields Cross-site Scripting

CVSS: 7.2v3.1HighModified
Published 07-06-2023Last modified 08-04-2026
Open JSON

Vulnerability summary

CVE-2020-36731 is a high (CVSS 7.2) Cross-site Scripting vulnerability in wordpress flexible-checkout-fields. EPSS estimates a 1.34% chance of exploitation in the next 30 days, higher than 71% of scored vulnerabilities. 2 public exploits are recorded. Fixed in 2.3.2.

Overall risk
39/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.2/10
010
High · v3.1 (CVE.org)
EPSS score
1.34%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference

Timeline

  1. 07-06-2023
    PublishedVulnerability first disclosed.
  2. 08-04-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

1.34%

Chance of exploitation in the next 30 days

Percentile

71%

Versus all other CVEs

30-day change

0.00 pp

From 1.34% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.34%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (blog.nintechnet.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (wordfence.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Wpdesk2 products
Wordpress1 product
  • flexible-checkout-fields< 2.3.2

2 vendors · 3 products

References

4 links