CVE-2020-37103CWE-79

DotNetNuke 9.5 - Persistent Cross-Site Scripting

Medium · published February 3, 2026

CVSS v4.0
5.1
EPSS
0%
Percentile
27.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.1 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
EPSS
0.00347 · 27.0th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-02-03T16:52Z
EPSS history
Timeline
  • 03 FEB 16:52Z
    DotNetNuke 9.5 - Persistent Cross-Site Scripting
    cvelistv5