CVE-2023-38501 — AI Deep Analysis Summary

Q: What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: Reflected XSS in Copyparty web interface. 💥 **Consequences**: Malicious JS execution via crafted links. 📉 **Impact**: Low confidentiality/integrity/availability loss.

Q: Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: CWE-79 (XSS). 🐛 **Flaw**: Unsanitized input in `k304` and `setck` parameters. ⚠️ **Type**: Reflected XSS.

Q: Who is affected? (Versions/Components)

📦 **Product**: Copyparty (Portable file server). 👤 **Vendor**: 9001 (ed). 📅 **Affected**: Versions **prior to 1.8.6** (Note: Description says 1.8.7, PoC says 1.8.6; assume <1.8.6 is safe).

Q: What can hackers do? (Privileges/Data)

🕵️ **Hackers Can**: Execute arbitrary JavaScript. 🍪 **Data Theft**: Steal cookies/sessions. 🎣 **Phishing**: Trick users into clicking malicious links. 🚫 **Privileges**: No direct system root, but user context compromise.

Q: Is exploitation threshold high? (Auth/Config)

🔓 **Auth**: None required (PR:N). 🖱️ **User Interaction**: Required (UI:R). 📶 **Network**: Remote (AV:N). 📊 **Complexity**: Low (AC:L). **Threshold**: Medium (needs victim click).

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

🔍 **Public Exp**: Yes. 📜 **PoC**: Available via Nuclei templates & PacketStorm. 🌐 **Wild Exp**: Possible via social engineering links.

Q: How to self-check? (Features/Scanning)

🔎 **Self-Check**: Scan for `k304`/`setck` params in URLs. 🛠️ **Tool**: Use Nuclei template `CVE-2023-38501.yaml`. 👀 **Visual**: Look for XSS payload execution in browser.

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

✅ **Fixed**: Yes. 📦 **Patch**: Upgrade to **v1.8.6+**. 🔗 **Source**: GitHub commit `007d948...` & GHSA advisory.

Q: What if no patch? (Workaround)

🚧 **No Patch?**: Input validation on `k304`/`setck`. 🛡️ **WAF**: Block XSS payloads in query strings. 🚫 **Access**: Restrict public access to web interface.

Q: Is it urgent? (Priority Suggestion)

⚡ **Urgency**: Medium-High. 📢 **Priority**: Patch immediately if exposed. 🎯 **Risk**: Easy exploitation via phishing. 📅 **Published**: July 2023.

Updated May 08, 2026 CVSS 6.3 · Medium

This is a summary of the AI-generated 10-question deep analysis. The full version (longer answers, follow-up Q&A, related CVEs) requires login. Read the full analysis →

Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: Reflected XSS in Copyparty web interface. 💥 **Consequences**: Malicious JS execution via crafted links. 📉 **Impact**: Low confidentiality/integrity/availability loss.

Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: CWE-79 (XSS). 🐛 **Flaw**: Unsanitized input in `k304` and `setck` parameters. ⚠️ **Type**: Reflected XSS.

Q3Who is affected? (Versions/Components)

📦 **Product**: Copyparty (Portable file server). 👤 **Vendor**: 9001 (ed). 📅 **Affected**: Versions **prior to 1.8.6** (Note: Description says 1.8.7, PoC says 1.8.6; assume <1.8.6 is safe).

Q4What can hackers do? (Privileges/Data)

🕵️ **Hackers Can**: Execute arbitrary JavaScript. 🍪 **Data Theft**: Steal cookies/sessions. 🎣 **Phishing**: Trick users into clicking malicious links. 🚫 **Privileges**: No direct system root, but user context compromise.

Q5Is exploitation threshold high? (Auth/Config)

🔓 **Auth**: None required (PR:N). 🖱️ **User Interaction**: Required (UI:R). 📶 **Network**: Remote (AV:N). 📊 **Complexity**: Low (AC:L). **Threshold**: Medium (needs victim click).

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

🔍 **Public Exp**: Yes. 📜 **PoC**: Available via Nuclei templates & PacketStorm. 🌐 **Wild Exp**: Possible via social engineering links.

Q7How to self-check? (Features/Scanning)

🔎 **Self-Check**: Scan for `k304`/`setck` params in URLs. 🛠️ **Tool**: Use Nuclei template `CVE-2023-38501.yaml`. 👀 **Visual**: Look for XSS payload execution in browser.

Q8Is it fixed officially? (Patch/Mitigation)

✅ **Fixed**: Yes. 📦 **Patch**: Upgrade to **v1.8.6+**. 🔗 **Source**: GitHub commit `007d948...` & GHSA advisory.

Q9What if no patch? (Workaround)

🚧 **No Patch?**: Input validation on `k304`/`setck`. 🛡️ **WAF**: Block XSS payloads in query strings. 🚫 **Access**: Restrict public access to web interface.

Q10Is it urgent? (Priority Suggestion)

⚡ **Urgency**: Medium-High. 📢 **Priority**: Patch immediately if exposed. 🎯 **Risk**: Easy exploitation via phishing. 📅 **Published**: July 2023.

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Vulnerability detail Full AI analysis (login) 9001 CWE-79