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Q1What is this vulnerability? (Essence + Consequences)
🚨 **Essence**: A critical info leak in `docusaurus-plugin-content-gists` (< v4.0.0). 📉 **Consequences**: GitHub Personal Access Tokens (PATs) are baked into client-side JS bundles.…
🛡️ **CWE-200**: Information Exposure. 🐛 **Flaw**: The plugin incorrectly passes build-time API tokens into the production frontend bundle. It treats sensitive secrets as public data. 📝
Q3Who is affected? (Versions/Components)
👥 **Affected**: Users of `docusaurus-plugin-content-gists` versions **prior to 4.0.0**. 🏢 **Vendor**: Webber Takken. 🌐 **Component**: The Gists plugin for Docusaurus sites. ⚠️
Q4What can hackers do? (Privileges/Data)
🕵️ **Hackers Can**: Extract valid GitHub PATs from the page source. 🔓 **Privileges**: Full access to the GitHub account associated with the token (read/write repos, gists, etc.).…
📊 **Threshold**: LOW. 🚪 **Auth**: None required. 🌍 **Config**: Any public Docusaurus site using the vulnerable plugin version is exposed. No special access needed to view source code. 👁️
Q6Is there a public Exp? (PoC/Wild Exploitation)
🔍 **Public Exp?**: YES. 📜 **PoC**: Available via ProjectDiscovery Nuclei templates. 🌐 **Wild Exp**: Automated scanning tools can detect and exploit this easily. 🚀
Q7How to self-check? (Features/Scanning)
🔎 **Self-Check**: 1. Check plugin version in `package.json`. 2. Inspect browser DevTools (Network/Source) for `ghp_` or `github_pat_` strings. 3. Run Nuclei CVE-2025-53624 template. 🧪
Q8Is it fixed officially? (Patch/Mitigation)
✅ **Fixed**: YES. 🛠️ **Patch**: Upgrade to version **4.0.0** or later. 🔒 **Mitigation**: The vendor released a fix to prevent token leakage into client bundles. 📢
Q9What if no patch? (Workaround)
🚧 **No Patch?**: 1. **Rotate** the leaked GitHub token IMMEDIATELY. 🚫 2. Remove the plugin or restrict access. 3. Do NOT commit secrets to frontend config. 🆘
Q10Is it urgent? (Priority Suggestion)
🔥 **Urgency**: CRITICAL. 🚨 **Priority**: P0. ⏱️ **Action**: Patch immediately. Leaked tokens allow full GitHub account takeover. Do not delay! 🏃♂️