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CVE-2021-33852

5.4 · MEDIUM

A cross-site scripting (XSS) attack can cause arbitrary code (JavaScript) to run in a user's browser and can use an application as the vehicle for the attack.

Published Mar 10, 2022CWE-79EPSS 0.64%

Overview

CVE-2021-33852 is a medium-severity vulnerability. It was published on March 10, 2022 and has a CVSS 3.1 base score of 5.4 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

A cross-site scripting (XSS) attack can cause arbitrary code (JavaScript) to run in a user's browser and can use an application as the vehicle for the attack. The XSS payload given in the "Duplicate Title" text box executes whenever the user opens the Settings Page of the Post Duplicator Plugin or the application root page after duplicating any of the existing posts.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refcybersecurityworks.com/zerodays/cve-2021-33852-stored-cross-site-scripting-in-wordpress-post-duplicator-plugin-2-23.htmlRefcybersecurityworks.com/zerodays/cve-2021-33852-stored-cross-site-scripting-in-wordpress-post-duplicator-plugin-2-23.html

How CyberStrike helps

Frequently asked questions

What is CVE-2021-33852?

CVE-2021-33852 is a medium-severity vulnerability. It was published on March 10, 2022 and has a CVSS 3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2021-33852?

This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-33852?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-33852?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-33852 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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