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CVE-2022-24891

5.4 · MEDIUM

ESAPI (The OWASP Enterprise Security API) is a free, open source, web application security control library.

Published Apr 27, 2022CWE-79EPSS 1.71%

Overview

CVE-2022-24891 is a medium-severity vulnerability. It was published on April 27, 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. No authentication or special privileges are required for exploitation.

Technical description

ESAPI (The OWASP Enterprise Security API) is a free, open source, web application security control library. Prior to version 2.3.0.0, there is a potential for a cross-site scripting vulnerability in ESAPI caused by a incorrect regular expression for "onsiteURL" in the **antisamy-esapi.xml** configuration file that can cause "javascript:" URLs to fail to be correctly sanitized. This issue is patched in ESAPI 2.3.0.0. As a workaround, manually edit the **antisamy-esapi.xml** configuration files to change the "onsiteURL" regular expression. More information about remediation of the vulnerability, including the workaround, is available in the maintainers' release notes and security bulletin.

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

GitHubgithub.com/ESAPI/esapi-java-legacy/blob/develop/documentation/ESAPI-security-bulletin8.pdfGitHubgithub.com/ESAPI/esapi-java-legacy/blob/develop/documentation/esapi4java-core-2.3.0.0-release-notes.txtGitHubgithub.com/ESAPI/esapi-java-legacy/security/advisories/GHSA-q77q-vx4q-xx6qRefsecurity.netapp.com/advisory/ntap-20230127-0014/Refwww.oracle.com/security-alerts/cpujul2022.htmlGitHubgithub.com/ESAPI/esapi-java-legacy/blob/develop/documentation/ESAPI-security-bulletin8.pdfGitHubgithub.com/ESAPI/esapi-java-legacy/blob/develop/documentation/esapi4java-core-2.3.0.0-release-notes.txtGitHubgithub.com/ESAPI/esapi-java-legacy/security/advisories/GHSA-q77q-vx4q-xx6qReflists.debian.org/debian-lts-announce/2025/07/msg00010.htmlRefsecurity.netapp.com/advisory/ntap-20230127-0014/

How CyberStrike helps

Frequently asked questions

What is CVE-2022-24891?

CVE-2022-24891 is a medium-severity vulnerability. It was published on April 27, 2022 and has a CVSS 3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2022-24891?

This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2022-24891?

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-2022-24891?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-24891 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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