Exploiting vulnerability in logical operators “isset (…) && !Anything”

Look this code: if ( isset( $_POST[‘cartflows-action-nonce’] ) && ! wp_verify_nonce( sanitize_text_field( wp_unslash( $_POST[‘cartflows-action-nonce’] ) ), ‘cartflows-action-nonce’ ) ) { return; } This code was taken from a WordPress plugin with more than 100,000 active downloads, Cartflows (https://wordpress.org/plugins/cartflows/). This condition is a security validation to block CSRF, it works to …

Exploiting framework configuration files – Part 2

Example: Zend I inurl:/application/configs/ intitle:index of inurl:/application/controllers/ intitle:index of filetype:ini “Bootstrap.php” (pass|passwd|password|pwd) Zend II inurl:/data/cache/ intitle:index of inurl:/module/application/ intitle:index of Laravel filetype:env intext:mail_host /  “MAIL_PASSWORD” filetype:env de cima procurando por email filetype:env intext:REDIS_PASSWORD por configuração de redis filetype:env intext:”APP_ENV” inurl:readme.md intext:”Laravel” -vendor -github -gitlab -bitbucket -git -node_modules Troca o readme.md …

Exploiting framework configuration files – Part 1

How does a framework work? Wikipedia says framework is … “A framework in software development, is an abstraction that joins common codes among various software projects providing a generic functionality.“ By analogy, I can suggest the operation similar to that of a wrench, as it is something that facilitates and …

13 / 17 WordPress Plugins with over 150,000 / 270,000 active downloads with the same security issues.

Introduction: At the end of November I noticed a file-handling function in PHP that was going unnoticed by developers, perhaps because it seemed harmless. The function in question is unlink, which, for those who do not know, works to delete a file in the filesystem. It is common to worry …

Site deixa mais de mil documentos como CNH, RG e CPF abertos na internet.

Como você reagiria se encontrasse seu documento ou cartão exposto na internet? Não foi meu caso, mas poderia ser o caso de  muita gente. Uma imagem me intrigou bastante na terça-feira (26/09), era uma lista com vários links de passaportes e vistos russos, ao clicar apareciam as imagens digitalizadas.   …

Protecting Your WordPress Code of Sql Injection Part 1

Introduction: Some time ago I have dedicated to researching about security and vulnerabilities of WordPress plugins. And the result as we can see below is very satisfactory. I have posted and helped the community to stay a bit more secure. WpVull, site that lists vulnerabilities with a focus on WordPress. …

755 and 644 ? Hacking in shared servers. How they are treating our system.

This is a first post written in English and probably have a grammatical error but talk to me and I set. Obeservation: This article will show two sides of the coin. One side, teatching the badness (using a tool that is in my github), other side, teach how we can mitigate the …

Link com diversas apostilas e tutoriais para estudos em todas áreas da informatica.

Conversando com um amigo sobre conteúdo na internet, ele me passo esse link com diversos conteúdos de vários assuntoscomo: Programação Shell Script Python Php, do básico ao avançado Android C# C++ Assembly Visual Basic Muitos outros… Redes Sistema Operacionais Banco de Dados Mysql Sql Server Oracle Segurança Arquitetura e Organização …