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CVE-2020-37019

Good to know:

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Date: January 30, 2026

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.

Severity Score

Related Resources (7)

http://www.orchardcore.net/
https://nvd.nist.gov/vuln/detail/CVE-2020-37019
https://www.vulncheck.com/advisories/orchard-core-rc-persistent-cross-site-scripting
https://www.exploit-db.com/exploits/48456
https://github.com/OrchardCMS/OrchardCore/issues/5802
https://github.com/OrchardCMS/OrchardCore
https://www.mend.io/vulnerability-database/CVE-2020-37019

Severity Score

Weakness Type (CWE)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-79

Top Fix

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Upgrade Version

Upgrade to version OrchardCore - 1.0.0-rc2-13450;OrchardCore - 1.0.0-rc2-13450;https://github.com/OrchardCMS/OrchardCore.git - 1.0.0-rc2

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

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