Vulnerability Database

318,389

Total vulnerabilities in the database

CVE-2021-31858

DotNetNuke (DNN) 9.9.1 CMS is vulnerable to a Stored Cross-Site Scripting vulnerability in the user profile biography section which allows remote authenticated users to inject arbitrary code via a crafted payload.

  • Published: Jul 20, 2022
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-31858
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 5.4
  • AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CWEs:

OWASP TOP 10:

Software From Fixed in
dnnsoftware / dotnetnuke - 9.10.2.x