Unrated severityOSV Advisory· Published Feb 3, 2026· Updated Mar 5, 2026
DotNetNuke 9.5 - Persistent Cross-Site Scripting
CVE-2020-37103
Description
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.
Affected products
1- Range: v9.1.0, v9.3.0-rc0, v9.3.0-rc1, …
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
4- www.exploit-db.com/exploits/48124mitreexploit
- www.vulncheck.com/advisories/dotnetnuke-persistent-cross-site-scriptingmitrethird-party-advisory
- dnnsoftware.commitreproduct
- medium.com/@SajjadPourali/dnn-dotnetnuke-cms-not-as-secure-as-you-think-e8516f789175mitretechnical-description
News mentions
0No linked articles in our index yet.