RCE in Vnotex Vnote
CVE-2026-15505
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (25.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Vnotex Vnote — versions 3.20.0, 3.20.1
Weakness classification (CWE)
References
- vuldb.com/vuln/377834 (technical-description, vdb-entry)
- vuldb.com/vuln/377834/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-15505 (third-party-advisory)
- vuldb.com/submit/844847 (third-party-advisory)
Frequently asked questions
- What is CVE-2026-15505?
- CVE-2026-15505 is a low-severity vulnerability in Vnotex Vnote, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-07-12.
- How severe is CVE-2026-15505?
- Low severity. CVSS v3 base score is 3.5 out of 10.