CVE-2021-36872

WordPress Popular Posts plugin <= 5.3.3 - Authenticated Persistent Cross-Site Scripting (XSS) vulnerability

Description

Authenticated Persistent Cross-Site Scripting (XSS) vulnerability in WordPress Popular Posts plugin (versions <= 5.3.3). Vulnerable at &widget-wpp[2][post_type].

Remediation

Solution:

  • Update to version 5.3.4 or higher.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.16%
Third-Party Advisory github.com Third-Party Advisory patchstack.com
Affected: Hector Cabrera WordPress Popular Posts
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-36872?
CVE-2021-36872 has been scored as a medium severity vulnerability.
How to fix CVE-2021-36872?
To fix CVE-2021-36872: Update to version 5.3.4 or higher.
Is CVE-2021-36872 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-36872 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-36872?
CVE-2021-36872 affects Hector Cabrera WordPress Popular Posts.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.