A typical node application may have hundreds of or even thousands of packages dependent (most of the dependencies are indirect, that is, to download a package that relies on a lot of other packages), so the end result is that the application will look like this: The amount of code you write is less pathetic than the package you depend on. The introduction of a large number of packages into the code of the application, but also introduced some unpredictable pitfalls, such as whether we know if th
Ueditor recently exposed to high-risk loopholes, including the current official Ueditor 1.4.3.3 latest version, are affected by this vulnerability, Ueditor is the official Baidu technical team developed a front-end editor, you can upload pictures, write text, support custom HTML writing, Mobile and computer-side can be seamlessly docking, adaptive pages, pictures can automatically adapt to the current upload path and page scale, some video file upload
to put, next to take or from the same place, but if you start to record 1234, you put 2 deleted, the next new time, The code logic lets you know that the location of the original index entry 2 in the Index table is taken to new, so the index table is allowed to be fragmented.
Third, vulnerability mining:In this way, the combination of function and Index table mechanism of the principle, the process of data processing ideas are clear, the followi
Page Test with input boxFor non-Rich Text, enter special characters in the input box On the submitted page, check the source code. Based on the keyword tiehua, check whether the Rich text input boxIf the page is submitted due to typographical issues or js errors, it indicates that the input box has the xss Vulnerability (a bug is reported ).Test Page Link ParametersLinks with parameters such:Http://mall.taobao.com /? Ad_id = am_id = cm_id = pm_id =
Vulnerability Analysis: a persistent XSS vulnerability in the Markdown parser
What is Markdown?
Markdown is a lightweight markup language. The popularity of Markdown has been widely supported by GitHub and Stack Overflow. as an ordinary person, we can also get started easily.
Using markdown to write articles is awesome. You can leave all the trivial HTML tags behind. In the past five years, markdown has r
command line parameters. The argc and argv parameters are the number and content of parameters passed by main. The optstring parameter indicates the option string to be processed. The letter in the option string followed by the colon ":", indicating that there are related parameters. The global variable optarg points to this additional parameter. Next, we will process different parameters. Because only-S is used in the end, we will focus on the analysis of-s parameters.After the-S parameter is
are: storage-type XSS, reflective XSS, Dom-type XSS An XSS vulnerability is one of the most common vulnerabilities in Web applications. If your site does not have a fixed method for preventing XSS vulnerabilities, then there is an XSS vulnerability. The importance of this virus with XSS vulnerabilities is that it is often difficult to see the threat of an XSS vulnerab
Phpcms is a website content management system based on the PHP + Mysql architecture. It is also an open-source PHP development platform. Phpcms is developed in modular mode and features are easy to use and easy to expand. It provides heavyweight website construction solutions for large and medium-sized websites. Over the past three years, with the rich Web development and database experience accumulated by the Phpcms team for a long time and the brave innovation in pursuing the perfect design co
Python script for Web vulnerability scanning tools and python Vulnerability Scanning
This is a Web vulnerability scanning tool established last year. It mainly targets simple SQL Injection Vulnerabilities, SQL blind injection, and XSS vulnerabilities, the code is written by myself based on the ideas in the source code of two gadgets on github, a foreign god (I he
__wakeup () function usage
__wakeup () is used in deserialization operations. Unserialize () checks for the existence of a __wakeup () method. If present, the __wakeup () method is invoked first.
Class a{function __wakeup () {Echo ' Hello ';}}$c = new A ();$d =unserialize (' o:1: "A": 0:{} ');?>The last page prints hello. There is a __wakeup () function at the time of deserialization, so the final output is the Hello
__wakeup () Function Vulnerability
Bash remote arbitrary code execution Security Vulnerability (most serious vulnerability)
US-CERT is aware that Bash has a security vulnerability that directly affects Unix-based systems (such as Linux and OS X ). This vulnerability causes remote attackers to execute arbitrary code on the affected system.
US-CERT reco
vulnerability, the 241 line in the program limits the-S to 1 or 2. Other values, regardless of value, are considered illegal and will cause the program to exit directly.In addition, there is a variable path in the program that specifies the absolute path to the vulnerability program, and the value defaults to/usr/local/bin/ftpdctl. The Pr_ctrls_connect () function in CTRLS.C is also called in Proftpdserver
Severe Flash Vulnerability exposure: hackers can spread ransomware vulnerability repair
Adobe urgently released a Flash patch to fix a serious security vulnerability in the early morning of January 1, April 9, Beijing time. This vulnerability may be used by hackers to spread ransomware.Currently, more than 1 billion o
Latest Windows system vulnerabilities-> highly dangerous ani mouse pointer vulnerabilities unofficial immune PatchesThe system is automatically restarted after the patch is installed.Save your work before installationPrevent loss of important informationMicrosoft Windows is a very popular operating system released by Microsoft.Microsoft Windows has the buffer overflow vulnerability when processing malformed animation Icon files (. Ani,Remote attackers
The regular expression is used to search for the CRLF Injection Vulnerability (HTTP response splitting vulnerability ). After detecting a site vulnerability with 360, I published an article on how to fix the vulnerability. However, many children's shoes have some problems. many children's shoes are stuck in the variabl
Common vulnerability attack analysis of PHP programs and php program vulnerability attacks. Analysis of common PHP program vulnerability attacks, Summary of php program vulnerability attacks: PHP programs are not fixed. with the widespread use of PHP, some hackers do not want to bother with PHP, common
JSON Hijacking vulnerability in JSONP and Its Relationship with csrf/xss Vulnerability
I have been exposed to the so-called JSON Hijacking vulnerability during my internship, but recently I found that I did not understand it very well. It seems that I have some differences and connections with xss and csrf.
In-depth study of JSONP (JSON with Padding ).
The fo
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