protect against xss

During the XSS detection process on a website, multiple search pages call the same function. Most of these variables are not strictly filtered. Most of these variables are typical XSS, for the typical XSS detection site, we have already explained this clearly, so I will not talk about it much ｡ I want to share with beginners who haven't touched dom

Label:The knowledge of web security is very weak, this article to the XSS cross-site attack and SQL injection related knowledge, I hope you have a lot of advice. For the prevention of SQL injection, I only used simple concatenation of string injection and parametric query, can say that there is no good experience, in order to avoid after the understanding of the guilty of making a big mistake, a special reference to a lot of predecessors of the experi

Recently, in the cnode community, an article about XSS published by @ Wu Zhonghua directly led the community to initiate various attacks on cnode. Here we summarize some of the problems and solutions encountered this time. File Upload Vulnerability The logic for nodeclub to upload images is as follows: // File name uploaded by the user Var filename = Date. now () + '_' + file. name; // User folder Var userDir = path. join (config. upload_di

Talking about PHP security and anti-SQL injection, prevent XSS attack, anti-theft chain, anti-CSRF Objective: First of all, the author is not a web security experts, so this is not a Web security expert-level article, but learning notes, careful summary of the article, there are some of our phper not easy to find or say not to pay attention to things. So I write down to facilitate later inspection. There must be a dedicated web security tester in a

Directory1 . Vulnerability Description 2 . Vulnerability trigger Condition 3 . Vulnerability Impact Range 4 . Vulnerability Code Analysis 5 . Defense Methods 6. Defensive thinking1. Vulnerability descriptionA simple summary of how this vulnerability is exploited1 The exploit of this vulnerability is the need to log in to the background to operate, accurately from the point of view of the cookie is required to be logged in the background state 2 the background of the logo upload has an

(1) ConceptsXss (cross-site scripting) attacks refer to attacks that insert malicious html tags or javascript code into Web pages. When a user browses this page or performs some operations, attackers use users' trust in the original website to trick users or browsers into performing insecure operations or submitting users' private information to other websites.For example, an attacker places a seemingly secure link in a forum to obtain users' private information from cookies after Obtaining user

XSS attacks: Cross Site scripting attacks (Scripting), which are not confused with the abbreviations of cascading style sheets (cascading style Sheets, CSS), are abbreviated as XSS for cross-site scripting attacks.A must-see source, Good article:http://www.cnblogs.com/TankXiao/archive/2012/03/21/2337194.htmlWhat is XSS attackXSS is a computer security vulnerabili

Affected products: glFusion developer: http://www.glfusion.org/defect impact: 1.2.2 and probably prior tested version: 1.2.2Advisory Details: High-Tech Bridge Security Research Lab discovered multiple XSS vulnerabilities in glFusion, which can be exploited to perform Cross-Site Scripting attacks. glFusion has a "bad_behaviour" plugin (installed by default) that verifies HTTP Referer, aimed to protect agains

0x00 Preface At the beginning of the article, I 'd like to apologize for the article (about the inheritance of cross-origin character sets) that was recently published with an outrageous conclusion but was deleted in a timely manner. I also hope that those who will repost the article without testing can delete the article. Prevent more people from misunderstanding the cross-origin character set. However, I have reorganized an article for my gratitude, which I have always wanted to write. However

XSS vulnerability of one cross-origin request continued As mentioned above, because you need to use the proxy page to solve the cross-origin request of POST requests, You need to execute the passed function on the proxy page. Therefore, we implemented a whitelist. Only the callback functions we recognized can be executed on the page to prevent execution of illegal JS methods and script attacks. The method we use is to introduce the whitelist and filte

We often say that network security should actually include the following three aspects of security: 1. confidentiality, such as user privacy theft and account theft. The common method is Trojan. 2. Integrity, for example, data integrity. For example, Kangxi sent a 14th son, which was tampered with by the fourth brother at that time, common methods are XSS cross-site scripting attacks and csrf Cross-Site Request Forgery. 3. Availability, such as whethe