What’s Vulnerable › Vulnerabilities

CVE-2019-12562

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 6.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-09-26 · updated 2026-06-17
• Weakness: CWE-79

Description

Stored Cross-Site Scripting in DotNetNuke (DNN) Version before 9.4.0 allows remote attackers to store and embed the malicious script into the admin notification page. The exploit could be used to perfom any action with admin privileges such as managing content, adding users, uploading backdoors to the server, etc. Successful exploitation occurs when an admin user visits a notification page with stored cross-site scripting.

Affected products

• DotNetNuke CMS Fixed in 9.1.1: before 9.4.0 — fixed in 9.4.0

How to fix

Upgrade to a fixed version: DotNetNuke CMS Fixed in 9.1.1 9.4.0. Check the vendor advisory for mitigations.

References

• http://packetstormsecurity.com/files/154673/DotNetNuke-Cross-Site-Scripting.html
• https://mayaseven.com/cve-2019-12562-stored-cross-site-scripting-in-dotnetnuke-dnn-version-v9-3-2/
• http://packetstormsecurity.com/files/154673/DotNetNuke-Cross-Site-Scripting.html
• https://mayaseven.com/cve-2019-12562-stored-cross-site-scripting-in-dotnetnuke-dnn-version-v9-3-2/

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