Question 1

What is this vulnerability? (Essence + Consequences)

Accepted Answer

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

Question 2

Root Cause? (CWE/Flaw)

Accepted Answer

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

Question 3

Who is affected? (Versions/Components)

Accepted Answer

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

Question 4

What can hackers do? (Privileges/Data)

Accepted Answer

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

Question 5

Is exploitation threshold high? (Auth/Config)

Accepted Answer

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

Question 6

Is there a public Exp? (PoC/Wild Exploitation)

Accepted Answer

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

Question 7

How to self-check? (Features/Scanning)

Accepted Answer

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

Question 8

Is it fixed officially? (Patch/Mitigation)

Accepted Answer

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

Question 9

What if no patch? (Workaround)

Accepted Answer

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

Question 10

Is it urgent? (Priority Suggestion)

Accepted Answer

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

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CVE-2026-24838 — AI Deep Analysis Summary

Q1What is this vulnerability? (Essence + Consequences)

Q2Root Cause? (CWE/Flaw)

Q3Who is affected? (Versions/Components)

Q4What can hackers do? (Privileges/Data)

Q5Is exploitation threshold high? (Auth/Config)

Q6Is there a public Exp? (PoC/Wild Exploitation)

Q7How to self-check? (Features/Scanning)

Q8Is it fixed officially? (Patch/Mitigation)

Q9What if no patch? (Workaround)

Q10Is it urgent? (Priority Suggestion)

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