CVE-2026-24838 — AI Deep Analysis Summary

🚨 **Essence**: DNN CMS has a **Stored XSS** vulnerability. <br>💥 **Consequences**: Attackers can inject malicious scripts via module titles.…

🛡️ **Root Cause**: **CWE-79** (Improper Neutralization of Input During Web Page Generation). <br>🔍 **Flaw**: The system accepts **Rich Text** in module titles but fails to properly sanitize or encode the output.…

📦 **Affected Products**: **DNN (DotNetNuke)** Platform. <br>📅 **Versions**: <br>• **DNN 9.x**: Versions **before 9.13.10** <br>• **DNN 10.x**: Versions **before 10.2.0** <br>⚠️ Latest versions are safe.

💀 **Attacker Actions**: <br>• **Steal Cookies/Sessions**: Take over admin accounts. <br>• **Phishing**: Redirect users to fake login pages. <br>• **Deface**: Modify page content dynamically.…

🔐 **Exploitation Threshold**: **Medium**. <br>• **Auth Required**: Yes (**PR:H** - High Privileges). You need to be a logged-in user with permission to create/edit modules.…

📜 **Public Exploit**: **No**. <br>• The `pocs` field is empty. <br>• No public Proof-of-Concept (PoC) or wild exploitation code is available yet.…

🔍 **Self-Check**: <br>1. Check your DNN version in the Admin panel. <br>2. Look for **Module Titles** containing HTML tags or scripts. <br>3.…

✅ **Official Fix**: **Yes**. <br>• Update to **DNN 9.13.10** or later. <br>• Update to **DNN 10.2.0** or later.…

🛠️ **No Patch Workaround**: <br>• **Disable Rich Text**: If possible, restrict module titles to plain text only. <br>• **Input Validation**: Implement strict server-side filtering for HTML tags in title fields.…

⚡ **Urgency**: **High Priority**. <br>• CVSS Score is **High** (Vector: AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H). <br>• Impact is severe (Complete compromise of Confidentiality, Integrity, Availability).…