Vulnerability · Published Jul 12, 2026 · Assigned by VulDB
CVE-2026-15505vnotex vnote YAML Frontmatter markdownit.js cross site scripting
Low 3.5
In plain English
A low-severity cross-site scripting in vnote from vnotex. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).
Official description
A weakness has been identified 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. The attack may be initiated remotely. The vendor was contacted early about this disclosure but did not respond in any way.
Affected products (as reported)
Weakness: CWE-79, CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
References
- VDB-377834 | vnotex vnote YAML Frontmatter markdownit.js cross site scripting vdb-entry, technical-description
- VDB-377834 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-15505 | CVE Analysis and Report third-party-advisory
- Submit #844847 | vnote v3.20.1 Improper Neutralization of Alternate XSS Syntax third-party-advisory