CVE-2020-37103

6.4 MEDIUM
Published: February 03, 2026 Modified: February 09, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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

4 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.4 / 10.0
EPSS (Exploit Probability)
0.1%
16th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-79

Affected Vendors

dnnsoftware

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