XSS in Orchardcore Orchard Core
CVE-2020-37019
Orchard Core RC1 contains a persistent cross-site scripting vulnerability that allows remote attackers to inject malicious scripts through blog post creation. Attackers can create blog posts with embedded JavaScript in the MarkdownBodyPart.Source parameter to execute arbitrary scripts in victim browsers.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.004 (32.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.
Affected products
- Orchardcore Orchard Core — versions 1.0
Weakness classification (CWE)
References
- disclosure@vulncheck.com (exploit)
- disclosure@vulncheck.com (product)
- disclosure@vulncheck.com (product)
- disclosure@vulncheck.com (issue-tracking, patch)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2020-37019?
- CVE-2020-37019 is a medium-severity vulnerability in Orchardcore Orchard Core, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-01-30.
- How severe is CVE-2020-37019?
- Medium severity. CVSS v3 base score is 6.4 out of 10.