Bypassing JWT Authentication via Hardcoded Secret
{
"header": {
"typ": "JWT",
"alg": "HS256"
},
"payload": {
"type": 0,
"uuid": "04ad4a8524694c05bd6896d582a2f784",
"tenant": "tenantCode",
"username": "admin"
},
"signature" ...
Posted on Wed, 01 Jul 2026 16:39:19 +0000 by LeslieHart
Upload-Labs File Upload Bypass Techniques and Implementation Strategies
Overview
File upload vulnerabilities arise when web applications inadequately validate or sanitize user-supplied files before storing and serving them. Exploiting these flaws allows attackers to inject executable code—such as PHP webshells—into the server’s filesystem, often leading to remote code execution. Upload-Labs is a deliberately vulner ...
Posted on Thu, 14 May 2026 14:50:47 +0000 by jrforrester
Exploiting File Upload Vulnerabilities: Webshell Deployment and Bypass Techniques
HTTP Request Methods and Data TransmissionWhen clients interact with web servers, HTTP/HTTPS protocols facilitate the exchange of request and response messages. The primary methods for transmitting data are GET and POST.GET Request: Parameters are appended to the URL as query strings, separated by ampersands (e.g., http://target.org/api?user=ad ...
Posted on Sat, 09 May 2026 05:47:51 +0000 by west4me