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CVE-2024-21501

5.3 · MEDIUM

Versions of the package sanitize-html before 2.12.1 are vulnerable to Information Exposure when used on the backend and with the style attribute allowed, allowing enumeration of files in the system…

Published Feb 24, 2024CWE-200EPSS 1.03%

Overview

CVE-2024-21501 is a medium-severity vulnerability. It was published on February 24, 2024 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Versions of the package sanitize-html before 2.12.1 are vulnerable to Information Exposure when used on the backend and with the style attribute allowed, allowing enumeration of files in the system (including project dependencies). An attacker could exploit this vulnerability to gather details about the file system structure and dependencies of the targeted server.

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

GitHubgist.github.com/Slonser/8b4d061abe6ee1b2e10c7242987674cfGitHubgithub.com/apostrophecms/apostrophe/discussions/4436GitHubgithub.com/apostrophecms/sanitize-html/commit/c5dbdf77fe8b836d3bf4554ea39edb45281ec0b4GitHubgithub.com/apostrophecms/sanitize-html/pull/650Reflists.fedoraproject.org/archives/list/[email protected]/message/4EB5JPYRCTS64EA5AMV3INHDPI6I4AW7/Reflists.fedoraproject.org/archives/list/[email protected]/message/P4I5X6V3LYUNBMZ5YOW4BV427TH3IK4S/Refsecurity.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-6276557Refsecurity.snyk.io/vuln/SNYK-JS-SANITIZEHTML-6256334GitHubgist.github.com/Slonser/8b4d061abe6ee1b2e10c7242987674cfGitHubgithub.com/apostrophecms/apostrophe/discussions/4436

How CyberStrike helps

Frequently asked questions

What is CVE-2024-21501?

CVE-2024-21501 is a medium-severity vulnerability. It was published on February 24, 2024 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2024-21501?

This vulnerability has a CVSS 3.1 base score of 5.3, 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-2024-21501?

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-2024-21501?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-21501 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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