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CVE-2020-37103

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CVE-2020-37103

Published: Feb 3, 2026

Modified: May 14, 2026

PUBLISHED

CVSS v3.1

6.4

MEDIUM

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.

VendorProductVersions

Dnnsoftware

DotNetNuke

affected
0 - <= 9.5

Weaknesses (CWE)

CWE-79

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

References

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