CVE-2021-24211

Name: CVE-2021-24211
Creator: NVD / NIST
Published: 2021-04-05T19:15:17.53+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.63%

Last modified Jun 17, 2026

CVE-2021-24211 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. The WordPress Related Posts plugin through 3.6.4 contains an authenticated (admin+) stored XSS vulnerability in the title field on the settings page. By exploiting that an attacker will be able to execute JavaScript code in the user's browser.. EPSS estimates a 0.63% chance of exploitation in the next 30 days.

Description

The WordPress Related Posts plugin through 3.6.4 contains an authenticated (admin+) stored XSS vulnerability in the title field on the settings page. By exploiting that an attacker will be able to execute JavaScript code in the user's browser.

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

0.63%

45.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Sovrn	Wordpress Related Posts	<= 3.6.4

References

https://wpscan.com/vulnerability/37e0a033-3dee-476d-ae86-68354e8f0b1cExploit, Third Party Advisory
https://wpscan.com/vulnerability/37e0a033-3dee-476d-ae86-68354e8f0b1cExploit, Third Party Advisory

Timeline

Published: Apr 5, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24211?

How severe is CVE-2021-24211?

CVE-2021-24211 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.63% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24211?

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-2021-24211?

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

Scan your code now

Source: NVD / NIST