CVE-2021-4222

Name: CVE-2021-4222
Creator: NVD / NIST
Published: 2022-02-28T09:15:08.793+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 0.80%

Last modified Jun 17, 2026

CVE-2021-4222 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. The WP-Paginate WordPress plugin before 2.1.4 does not sanitise and escape its preset settings, allowing high privilege users such as admin to perform Cross-Site Scripting attacks even when the unfiltered_html is disallowed. EPSS estimates a 0.80% chance of exploitation in the next 30 days.

Description

The WP-Paginate WordPress plugin before 2.1.4 does not sanitise and escape its preset settings, allowing high privilege users such as admin to perform Cross-Site Scripting attacks even when the unfiltered_html is disallowed

Metrics

CVSS 3.1

4.8/10

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

EPSS Probability

0.80%

51.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Maxfoundry	Wp-Paginate	< 2.1.4

References

https://packetstormsecurity.com/files/160800/Exploit, Third Party Advisory, VDB Entry
https://wpscan.com/vulnerability/6df5f5b1-f10b-488e-80b3-2c024bbb8c78Exploit, Third Party Advisory
https://packetstormsecurity.com/files/160800/Exploit, Third Party Advisory, VDB Entry
https://wpscan.com/vulnerability/6df5f5b1-f10b-488e-80b3-2c024bbb8c78Exploit, Third Party Advisory

Timeline

Published: Feb 28, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-4222?

How severe is CVE-2021-4222?

CVE-2021-4222 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.80% probability of exploitation in the next 30 days.

How do I fix CVE-2021-4222?

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-2021-4222?

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

Scan your code now

Source: NVD / NIST