CVE-2021-24871

Name: CVE-2021-24871
Creator: NVD / NIST
Published: 2021-12-13T11:15:09.32+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.68%

Last modified Jun 17, 2026

CVE-2021-24871 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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. EPSS estimates a 0.68% chance of exploitation in the next 30 days.

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

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.68%

47.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Get Custom Field Values Project	Get Custom Field Values	< 4.0.1

References

https://wpscan.com/vulnerability/28007c80-dc14-4987-a52c-f2a05cfe5905Exploit, Third Party Advisory
https://wpscan.com/vulnerability/28007c80-dc14-4987-a52c-f2a05cfe5905Exploit, Third Party Advisory

Timeline

Published: Dec 13, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24871?

How severe is CVE-2021-24871?

CVE-2021-24871 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.68% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24871?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-24871?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST