CVE-2020-37103 - CVE House
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Status published Medium CVE-2020-37103

DotNetNuke 9.5 - Persistent Cross-Site Scripting

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Sajjad Pourali

Affected Vendor

Dnnsoftware

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Affected Software

DotNetNuke
Vulnerable Versions:
0

Timeline

Official Publish: February 3rd, 2026
Last Modified: May 14th, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Weaknesses (CWE)