Vulnerability · Published Jan 30, 2026 · Assigned by VulnCheck

CVE-2020-37019Orchard Core RC1 - Persistent Cross-Site Scripting

Medium 6.4

In plain English

A medium-severity cross-site scripting in Orchard Core from Orchardcore. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).

Severity (CVSS 3.1)6.4Medium
Exploit odds (30 days)0.5%top 59.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
Orchardcore Orchard Core 1.0

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

References