CVE-2021-24871: Get Custom Field Values < 4.0.1 - Contributor+ Stored Cross-Site Scripting

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-12-13 · updated 2026-06-17
Weakness: CWE-79

Description

The Get Custom Field Values WordPress plugin before 4.0.1 does not escape custom fields before outputting them in the page, which could allow users with a role as low as contributor to perform Cross-Site Scripting attacks

Affected products

Get Custom Field Values: before 4.0.1 — fixed in 4.0.1

How to fix

Upgrade to a fixed version: Get Custom Field Values 4.0.1. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/28007c80-dc14-4987-a52c-f2a05cfe5905
https://wpscan.com/vulnerability/28007c80-dc14-4987-a52c-f2a05cfe5905

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