CVE-2026-15505 | vnotex vnote up to 3.20.1 YAML Frontmatter markdownit.js p_metaData cross site scripting

A vulnerability, which was classified as problematic, has been found in vnotex vnote up to 3.20.1. Impacted is an unknown function of the file /src/data/extra/web/js/markdownit.js of the component YAML Frontmatter. This manipulation of the argument p_metaData causes cross site scripting.

This vulnerability appears as CVE-2026-15505. The attack may be initiated remotely. In addition, an exploit is available.

The vendor was contacted early about this disclosure but did not respond in any way.