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| 6 | + <title>JWTLens - Comprehensive JWT Security Scanner for Burp Suite</title> |
| 7 | + <meta name="description" content="JWTLens is a Burp Suite extension that automatically detects and tests JWTs for security vulnerabilities. 62 security checks covering passive scanning, algorithm confusion, signature bypass, KID injection, weak secret brute force, and a built-in JWT Forge tab."> |
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| 14 | + <meta property="og:description" content="Burp Suite extension with 62 security checks — passive scanning, algorithm confusion, signature bypass, KID injection, weak secret brute force, and a built-in JWT Forge tab."> |
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| 68 | + } |
| 69 | + .btn { |
| 70 | + display: inline-block; |
| 71 | + padding: 12px 28px; |
| 72 | + border-radius: 8px; |
| 73 | + font-weight: 600; |
| 74 | + font-size: 1rem; |
| 75 | + transition: transform 0.15s, box-shadow 0.15s; |
| 76 | + } |
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| 78 | + .btn-primary { background: linear-gradient(135deg, #667eea, #764ba2); color: #fff; } |
| 79 | + .btn-outline { border: 2px solid #667eea; color: #667eea; } |
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| 81 | + .container { max-width: 1000px; margin: 0 auto; padding: 0 20px 60px; } |
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| 85 | + justify-content: center; |
| 86 | + gap: 40px; |
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| 103 | + font-size: 1.6rem; |
| 104 | + margin: 48px 0 20px; |
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| 106 | + } |
| 107 | + |
| 108 | + .features { |
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| 110 | + grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); |
| 111 | + gap: 20px; |
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| 117 | + border-radius: 12px; |
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| 133 | + grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); |
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| 136 | + } |
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| 141 | + font-size: 0.9rem; |
| 142 | + color: #b0b0c0; |
| 143 | + } |
| 144 | + .check-item strong { color: #e0e0e0; } |
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| 146 | + .install-block { |
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| 148 | + border: 1px solid rgba(255,255,255,0.08); |
| 149 | + border-radius: 12px; |
| 150 | + padding: 24px; |
| 151 | + margin-top: 20px; |
| 152 | + } |
| 153 | + .install-block code { |
| 154 | + display: block; |
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| 157 | + border-radius: 8px; |
| 158 | + color: #7c8cf8; |
| 159 | + font-size: 0.95rem; |
| 160 | + margin-top: 12px; |
| 161 | + overflow-x: auto; |
| 162 | + } |
| 163 | + .install-block p { color: #999; line-height: 1.6; } |
| 164 | + |
| 165 | + .screenshots { |
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| 167 | + grid-template-columns: repeat(auto-fit, minmax(440px, 1fr)); |
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| 170 | + } |
| 171 | + .screenshots img { |
| 172 | + width: 100%; |
| 173 | + border-radius: 10px; |
| 174 | + border: 1px solid rgba(255,255,255,0.1); |
| 175 | + } |
| 176 | + .screenshots figcaption { |
| 177 | + text-align: center; |
| 178 | + color: #888; |
| 179 | + font-size: 0.85rem; |
| 180 | + margin-top: 8px; |
| 181 | + } |
| 182 | + |
| 183 | + footer { |
| 184 | + text-align: center; |
| 185 | + padding: 40px 20px; |
| 186 | + color: #666; |
| 187 | + font-size: 0.85rem; |
| 188 | + border-top: 1px solid rgba(255,255,255,0.06); |
| 189 | + } |
| 190 | + |
| 191 | + @media (max-width: 600px) { |
| 192 | + .hero h1 { font-size: 1.6rem; } |
| 193 | + .hero p { font-size: 1rem; } |
| 194 | + .stats { gap: 24px; } |
| 195 | + .stat-num { font-size: 1.8rem; } |
| 196 | + .screenshots { grid-template-columns: 1fr; } |
| 197 | + } |
| 198 | + </style> |
| 199 | +</head> |
| 200 | +<body> |
| 201 | + |
| 202 | +<section class="hero"> |
| 203 | + <img src="https://github.com/user-attachments/assets/d462bafc-1131-4695-90ef-6066ef537e0f" alt="JWTLens logo banner"> |
| 204 | + <h1>JWTLens</h1> |
| 205 | + <p>Comprehensive JWT Security Scanner for Burp Suite. Automatically detects and tests JSON Web Tokens for security vulnerabilities with 62 checks — no manual effort required.</p> |
| 206 | + <div class="btn-row"> |
| 207 | + <a href="https://github.com/chawdamrunal/JWTLens" class="btn btn-primary">View on GitHub</a> |
| 208 | + <a href="https://github.com/chawdamrunal/JWTLens#installation" class="btn btn-outline">Installation Guide</a> |
| 209 | + </div> |
| 210 | +</section> |
| 211 | + |
| 212 | +<div class="stats"> |
| 213 | + <div class="stat"><div class="stat-num">62</div><div class="stat-label">Security Checks</div></div> |
| 214 | + <div class="stat"><div class="stat-num">23</div><div class="stat-label">Passive Checks</div></div> |
| 215 | + <div class="stat"><div class="stat-num">33</div><div class="stat-label">Active Checks</div></div> |
| 216 | + <div class="stat"><div class="stat-num">6</div><div class="stat-label">Secret Extraction</div></div> |
| 217 | + <div class="stat"><div class="stat-num">200+</div><div class="stat-label">Built-in Secrets</div></div> |
| 218 | +</div> |
| 219 | + |
| 220 | +<div class="container"> |
| 221 | + |
| 222 | + <h2>Key Features</h2> |
| 223 | + <div class="features"> |
| 224 | + <div class="feature-card"> |
| 225 | + <h3>JWT Forge Tab</h3> |
| 226 | + <p>A live jwt.io-style editor built into Burp. Edit headers & claims, re-sign with any algorithm, export as cURL or Python. Cracked secrets auto-fill instantly.</p> |
| 227 | + </div> |
| 228 | + <div class="feature-card"> |
| 229 | + <h3>Passive Secret Extraction</h3> |
| 230 | + <p>Automatically finds hardcoded JWT secrets, RSA/EC private keys, inline JWKS, and Base64-encoded secrets from JS, JSON, and HTML responses.</p> |
| 231 | + </div> |
| 232 | + <div class="feature-card"> |
| 233 | + <h3>Real JWKS Parsing</h3> |
| 234 | + <p>Algorithm confusion attacks use the server's actual public key from JWKS endpoints — not generated keys. This means attacks actually work on real targets.</p> |
| 235 | + </div> |
| 236 | + <div class="feature-card"> |
| 237 | + <h3>Full Passive Scanning</h3> |
| 238 | + <p>23 checks run automatically on every request/response through Burp Proxy. No other JWT extension does this. Zero manual effort required.</p> |
| 239 | + </div> |
| 240 | + <div class="feature-card"> |
| 241 | + <h3>KID Injection Testing</h3> |
| 242 | + <p>SQL injection (UNION SELECT, error-based), command injection (time-based), LDAP injection, and path traversal with 10+ traversal paths.</p> |
| 243 | + </div> |
| 244 | + <div class="feature-card"> |
| 245 | + <h3>Smart Deduplication</h3> |
| 246 | + <p>Tracks unique JWTs per host. Browse 50 pages with the same token and get one set of findings, not 50. Clear cache anytime from the UI.</p> |
| 247 | + </div> |
| 248 | + </div> |
| 249 | + |
| 250 | + <h2>What It Covers</h2> |
| 251 | + <div class="checks-grid"> |
| 252 | + <div class="check-item"><strong>Signature Bypass</strong><br>Algorithm None, invalid sig, stripping, null bytes, payload modification</div> |
| 253 | + <div class="check-item"><strong>Weak Keys</strong><br>Empty secret, 200+ secret brute force, weak RSA key size detection</div> |
| 254 | + <div class="check-item"><strong>Algorithm Attacks</strong><br>RS256→HS256 confusion, cross-algorithm signing, forged public key</div> |
| 255 | + <div class="check-item"><strong>Header Injection</strong><br>JWK, JKU, X5U, X5C injection with SSRF pingback detection</div> |
| 256 | + <div class="check-item"><strong>KID Injection</strong><br>Path traversal, SQL injection, command injection, LDAP injection</div> |
| 257 | + <div class="check-item"><strong>Token & Claims</strong><br>Expired token acceptance, claim tampering, subject enumeration, clock skew</div> |
| 258 | + <div class="check-item"><strong>Cookie Security</strong><br>Missing HttpOnly, Secure, SameSite flags on JWT cookies</div> |
| 259 | + <div class="check-item"><strong>CVEs</strong><br>CVE-2022-21449 Psychic Signatures, ECDSA signature malleability</div> |
| 260 | + </div> |
| 261 | + |
| 262 | + <h2>Screenshots</h2> |
| 263 | + <div class="screenshots"> |
| 264 | + <figure> |
| 265 | + <img src="images/jwtlense01.png" alt="JWTLens Burp site map with JWT findings"> |
| 266 | + <figcaption>Site map with JWT findings</figcaption> |
| 267 | + </figure> |
| 268 | + <figure> |
| 269 | + <img src="images/jwtlense02.png" alt="JWTLens scanner tab with findings table"> |
| 270 | + <figcaption>Findings dashboard with 62 checks</figcaption> |
| 271 | + </figure> |
| 272 | + <figure> |
| 273 | + <img src="images/jwtlense03.png" alt="JWTLens context menu"> |
| 274 | + <figcaption>Right-click context menu</figcaption> |
| 275 | + </figure> |
| 276 | + <figure> |
| 277 | + <img src="images/jwtlense04.png" alt="JWT Forge tab with live token editor"> |
| 278 | + <figcaption>JWT Forge tab — live editor with signing</figcaption> |
| 279 | + </figure> |
| 280 | + </div> |
| 281 | + |
| 282 | + <h2>Quick Start</h2> |
| 283 | + <div class="install-block"> |
| 284 | + <p><strong>Prerequisites:</strong> Java 17+ and Burp Suite Professional or Community (2024.1+)</p> |
| 285 | + <code>git clone https://github.com/chawdamrunal/JWTLens.git |
| 286 | +cd JWTLens/jwtlens-burp |
| 287 | +./gradlew clean jar</code> |
| 288 | + <p style="margin-top: 16px;">Load <strong>build/libs/jwtlens-1.0.0.jar</strong> in Burp Suite → Extensions → Add. Two new tabs appear: <strong>JWTLens</strong> and <strong>JWT Forge</strong>.</p> |
| 289 | + </div> |
| 290 | + |
| 291 | +</div> |
| 292 | + |
| 293 | +<footer> |
| 294 | + MIT License • Built by the JWTLens team • <a href="https://github.com/chawdamrunal/JWTLens">GitHub</a> |
| 295 | +</footer> |
| 296 | + |
| 297 | +</body> |
| 298 | +</html> |
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