CVE-2020-37103

DotNetNuke 9.5 contains a persistent cross-site scripting vulnerability that allows normal users to upload malicious XML files with executable scripts through journal tools. Attackers can upload XML files with XHTML namespace scripts to execute arbitrary JavaScript in users' browsers, potentially bypassing CSRF protections and performing more damaging attacks.

CVSS v3 6.4 MEDIUM

6.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.1 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
http://dnnsoftware.com/	Product
https://medium.com/@SajjadPourali/dnn-dotnetnuke-cms-not-as-secure-as-you-think-e8516f789175	Third Party Advisory
https://www.exploit-db.com/exploits/48124	Exploit Third Party Advisory VDB Entry
https://www.vulncheck.com/advisories/dotnetnuke-persistent-cross-site-scripting	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:dnnsoftware:dotnetnuke:*:*:*:*:*:*:*:*

History

09 Feb 2026, 22:10

Type	Values Removed	Values Added
References	~~() http://dnnsoftware.com/ -~~	() http://dnnsoftware.com/ - Product
References	~~() https://medium.com/@SajjadPourali/dnn-dotnetnuke-cms-not-as-secure-as-you-think-e8516f789175 -~~	() https://medium.com/@SajjadPourali/dnn-dotnetnuke-cms-not-as-secure-as-you-think-e8516f789175 - Third Party Advisory
References	~~() https://www.exploit-db.com/exploits/48124 -~~	() https://www.exploit-db.com/exploits/48124 - Exploit, Third Party Advisory, VDB Entry
References	~~() https://www.vulncheck.com/advisories/dotnetnuke-persistent-cross-site-scripting -~~	() https://www.vulncheck.com/advisories/dotnetnuke-persistent-cross-site-scripting - Third Party Advisory
CPE		cpe:2.3:a:dnnsoftware:dotnetnuke::::::::
First Time		Dnnsoftware dotnetnuke Dnnsoftware

03 Feb 2026, 18:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-03 18:16

Updated : 2026-02-09 22:10

NVD link : CVE-2020-37103

Mitre link : CVE-2020-37103

CVE.ORG link : CVE-2020-37103

JSON object : View

Products Affected

dnnsoftware

dotnetnuke

CWE

CWE-79

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

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