Q: Who is affected? (Versions/Components)

🏢 **Vendor**: ThinkInAIXYZ. 📦 **Product**: DeepChat (Open Source AI Assistant). 📅 **Affected**: Versions **prior to 0.5.3**. ✅ **Fixed**: Version 0.5.3 and later.

Q: Is it fixed officially? (Patch/Mitigation)

✅ **Fixed**: Yes. 📥 **Patch**: Upgrade to **DeepChat 0.5.3**. 🔗 **Source**: See GitHub commit `b179d97` and GHSA advisory `w8w8-82pv-5rg9`. 🔄 **Action**: Immediate update recommended.

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **HIGH**. 📈 **CVSS**: 9.8 (Critical). 🚨 **Reason**: RCE potential + No Auth required. ⏳ **Action**: Patch immediately. Even though UI interaction is needed, the impact of successful exploitation is severe.

Question 1

What is this vulnerability? (Essence + Consequences)

Accepted Answer

🚨 **Essence**: DeepChat < 0.5.3 has a **Code Injection** flaw. 📉 **Consequences**: The Mermaid chart renderer allows **Cross-Site Scripting (XSS)**, which can escalate to **Remote Code Execution (RCE)**.…

Question 2

Root Cause? (CWE/Flaw)

Accepted Answer

🛡️ **CWE-94**: Improper Control of Generation of Code ('Code Injection'). 🔍 **Flaw**: The **Mermaid diagram rendering component** fails to sanitize inputs.…

Question 3

Who is affected? (Versions/Components)

Accepted Answer

🏢 **Vendor**: ThinkInAIXYZ. 📦 **Product**: DeepChat (Open Source AI Assistant). 📅 **Affected**: Versions **prior to 0.5.3**. ✅ **Fixed**: Version 0.5.3 and later.

Question 4

What can hackers do? (Privileges/Data)

Accepted Answer

💻 **Privileges**: Attackers can achieve **Remote Code Execution (RCE)**. 🕵️ **Data**: Full access to system resources. 📊 **Impact**: High (CVSS H).…

Question 5

Is exploitation threshold high? (Auth/Config)

Accepted Answer

⚖️ **Threshold**: Medium. 🌐 **Network**: Attack Vector is **Network (AV:N)**. 🔒 **Auth**: Privileges Required are **None (PR:N)**. 👁️ **User Interaction**: **Required (UI:R)**.…

Question 6

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

Accepted Answer

🚫 **Public Exploit**: No specific PoC code listed in the data. 📝 **References**: GitHub commit and Security Advisory (GHSA) are public.…

Question 7

How to self-check? (Features/Scanning)

Accepted Answer

🔍 **Self-Check**: Scan for **DeepChat versions < 0.5.3**. 📊 **Feature**: Look for usage of the **Mermaid chart rendering** component.…

Question 8

Is it fixed officially? (Patch/Mitigation)

Accepted Answer

✅ **Fixed**: Yes. 📥 **Patch**: Upgrade to **DeepChat 0.5.3**. 🔗 **Source**: See GitHub commit `b179d97` and GHSA advisory `w8w8-82pv-5rg9`. 🔄 **Action**: Immediate update recommended.

Question 9

What if no patch? (Workaround)

Accepted Answer

🚧 **Workaround**: If patching is delayed, **disable Mermaid rendering** or restrict input to trusted sources only. 🛑 **Mitigation**: Implement strict **Content Security Policy (CSP)** to block inline script execution.…

Question 10

Is it urgent? (Priority Suggestion)

Accepted Answer

🔥 **Urgency**: **HIGH**. 📈 **CVSS**: 9.8 (Critical). 🚨 **Reason**: RCE potential + No Auth required. ⏳ **Action**: Patch immediately. Even though UI interaction is needed, the impact of successful exploitation is severe.

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CVE-2025-67744 — 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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