CVE-2016-10531

marked is an application that is meant to parse and compile markdown. Due to the way that marked 0.3.5 and earlier parses input, specifically HTML entities, it's possible to bypass marked's content injection protection (`sanitize: true`) to inject a `javascript:` URL. This flaw exists because `&#xNNanything;` gets parsed to what it could and leaves the rest behind, resulting in just `anything;` being left.

• CWE-79
• CWE-79

• https://github.com/chjj/marked/pull/592Exploit, Issue Tracking, Third Party Advisory
• https://github.com/chjj/marked/pull/592/commits/2cff85979be8e7a026a9aca35542c470cf5da523Patch, Third Party Advisory
• https://nodesecurity.io/advisories/101Third Party Advisory
• https://github.com/chjj/marked/pull/592Exploit, Issue Tracking, Third Party Advisory
• https://github.com/chjj/marked/pull/592/commits/2cff85979be8e7a026a9aca35542c470cf5da523Patch, Third Party Advisory
• https://nodesecurity.io/advisories/101Third Party Advisory

Published

May 31, 2018

Last Modified

Jun 17, 2026

Status

Modified

• 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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