27: XSS cross site code and httponly bypass

itread01 2021-01-23 14:21:59
xss cross site code httponly

![](https://img2020.cnblogs.com/blog/2265061/202101/2265061-20210123085721174-937912649.png)**httponly: If you give someone cookie Set httpOnly Properties , You can't go through JS Instruction code Read the cookie Information about , But not yet Application Manually modify cookie, So it can only prevent XSS Attack , Not absolutely safe **### Although it's set httponly After that, I can't get cookie, But there is still xss Cross site statements , It's just the acquisition that's blocked cookie You can take the account number and password directly ,cookie Log in . The browser does not store the read password : need xss Generated from login address , Hijacking with forms The browser stores the account face : Produced in the background XSS, For example, storage type XSS### Judge by hand xss Cross site loopholes :#### The first level :![](https://img2020.cnblogs.com/blog/2265061/202101/2265061-20210123085940054-143798845.png)#### The second level :![](https://img2020.cnblogs.com/blog/2265061/202101/2265061-20210123090049932-1303317658.png) Escaped , Check the source code .![](https://img2020.cnblogs.com/blog/2265061/202101/2265061-20210123090100239-961200321.png) There is htmlsecialchars() Function :![](https://img2020.cnblogs.com/blog/2265061/202101/2265061-20210123090110702-2001815656.png) Converting symbols into physical labels ,xss Frequent filtering ![](https://img2020.cnblogs.com/blog/2265061/202101/2265061-20210123090128238-450664930.png)#### The second level : Close the front double quotes ,">#### The third level :![](https://img2020.cnblogs.com/blog/2265061/202101/2265061-20210123090258747-2074125647.png) Or right <> It has been transferred , Use the form's mouse to click on properties . 'onclick='alert(1)![](https://img2020.cnblogs.com/blog/2265061/202101/2265061-20210123090306993-850658948.png)#### The fourth level : ![](https://img2020.cnblogs.com/blog/2265061/202101/2265061-20210123090315683-2143932232.png)#### The fifth level : In keywords onclick Filtration ,on_click By means of a herf Properties , Build your own javascript Code ">![](https://img2020.cnblogs.com/blog/2265061/202101/2265061-20210123090326420-581605605.png)#### The sixth level : Continue with the code for level five , Find out herf Be filtered , Check the source code .![](https://img2020.cnblogs.com/blog/2265061/202101/2265061-20210123090339419-64654933.png) Keywords are filtered , Use uppercase instead of ">![](https://img2020.cnblogs.com/blog/2265061/202101/2265061-20210123090347432-1608818795.png)#### The seventh level : ![](https://img2020.cnblogs.com/blog/2265061/202101/2265061-20210123090354604-1019862577.png) and upload-labs The same thing , Code has no loop filtering , So you can double write around ![](https://img2020.cnblogs.com/blog/2265061/202101/2265061-20210123090402366-230537430.png)#### The eighth level : Case , Neither writing nor writing , Replace with unicode Code ![](https://img2020.cnblogs.com/blog/2265061/202101/2265061-20210123090410390-231641056.png)![](https://img2020.cnblogs.com/blog/2265061/202101/2265061-20210123090418505-1717605893.png) #### The Ninth level : This level is almost difficult to complete without looking at the code , The code detects the presence of http:// ![](https://img2020.cnblogs.com/blog/2265061/202101/2265061-20210123090425562-517578300.png)![](https://img2020.cnblogs.com/blog/2265061/202101/2265061-20210123090435001-972601335.png) #### The tenth level : &t_sort="type="="type="text"onclick="alert(1)"![](https://img2020.cnblogs.com/blog/2265061/202101/2265061-20210123090442600-1015359168.png) Check the source code , The discovery attribute is hidden, It's hidden . #### The eleventh level : http referer Head , Source of detection . The browser detects this JS Does the code come from CSRF Cross site request instruction code , Source of detection . When the administrator is logged in , When logging in, a string of new password of administrator account is triggered , At this time, a new administrator will be added . Source of detection , That's the same origin strategy of the browser , See if it's from the same domain , Not the same domain name is not accepted token Verification will solve this problem This level is referer Head input &t_sort="type="="type="text"onclick="alert(1)"#### Pass 12 : Testing user-agent aizhan There are also cross sites in the Internet The following levels are also various hidden attributes , It's basically similar , Not in one

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