CVE-2024-21501

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.

• CWE-200
• CWE-538

• https://gist.github.com/Slonser/8b4d061abe6ee1b2e10c7242987674cfExploit, Third Party Advisory
• https://github.com/apostrophecms/apostrophe/discussions/4436Issue Tracking
• https://github.com/apostrophecms/sanitize-html/commit/c5dbdf77fe8b836d3bf4554ea39edb45281ec0b4Patch
• https://github.com/apostrophecms/sanitize-html/pull/650Patch
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4EB5JPYRCTS64EA5AMV3INHDPI6I4AW7/Mailing List
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P4I5X6V3LYUNBMZ5YOW4BV427TH3IK4S/Mailing List
• https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-6276557Exploit, Third Party Advisory
• https://security.snyk.io/vuln/SNYK-JS-SANITIZEHTML-6256334Exploit, Third Party Advisory
• https://gist.github.com/Slonser/8b4d061abe6ee1b2e10c7242987674cfExploit, Third Party Advisory
• https://github.com/apostrophecms/apostrophe/discussions/4436Issue Tracking
• https://github.com/apostrophecms/sanitize-html/commit/c5dbdf77fe8b836d3bf4554ea39edb45281ec0b4Patch
• https://github.com/apostrophecms/sanitize-html/pull/650Patch
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4EB5JPYRCTS64EA5AMV3INHDPI6I4AW7/Mailing List
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P4I5X6V3LYUNBMZ5YOW4BV427TH3IK4S/Mailing List
• https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-6276557Exploit, Third Party Advisory
• https://security.snyk.io/vuln/SNYK-JS-SANITIZEHTML-6256334Exploit, Third Party Advisory

Published

Feb 24, 2024

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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