CVE-2026-34560 — AI Deep Analysis Summary

🚨 **Essence**: CI4MS suffers from a Stored Cross-Site Scripting (XSS) vulnerability. 📉 **Consequences**: Malicious scripts execute in victims' browsers when viewing logs.…

🛡️ **Root Cause**: CWE-79 (Improper Neutralization of Input During Web Page Generation). 💥 **Flaw**: The application fails to encode user-controlled input in the **log interface**.…

📦 **Product**: CI4MS (Ci4MS Open Source Blog Management Tool). 📅 **Affected Versions**: All versions **prior to 0.31.0.0**. ✅ **Fixed In**: Version 0.31.0.0 and later.

💻 **Attacker Actions**: Inject malicious payloads into log entries. 🎯 **Impact**: Steal admin cookies, redirect users to phishing sites, or execute arbitrary JavaScript.…

🔓 **Threshold**: **Low**. 📝 **Auth**: Requires **Low** privileges (authenticated access). 🖱️ **UI**: No user interaction needed (UI:N) for the victim once the payload is stored. 🌐 **Network**: Network accessible (AV:N).

🚫 **Public Exploit**: **No** public PoC or wild exploitation detected in the provided data. 📂 **References**: Official GitHub advisory and release notes are available, but no exploit code is linked.

🔍 **Self-Check**: Scan for CI4MS instances. 📂 **Target**: Specifically check the **Log Interface**. 🧪 **Test**: Inject a simple XSS payload (e.g., `<script>alert(1)</script>`) into log inputs.…

✅ **Fixed**: **Yes**. 🛠️ **Patch**: Upgrade to **CI4MS 0.31.0.0** or later. 🔗 **Source**: Official GitHub Release and Security Advisory (GHSA-r4v5-rwr2-q7r4).

🚧 **Workaround**: If patching is delayed, implement **Input Validation** and **Output Encoding** (HTML Entity Encoding) for log data. 🛑 **Mitigation**: Restrict access to the log interface to trusted admins only.…

⚡ **Urgency**: **High**. 📊 **CVSS**: 7.5 (High). 📅 **Published**: April 1, 2026. 🚀 **Action**: Prioritize patching to prevent blind XSS attacks.…