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php-calendar – Cross-Site Scripting (XSS) #4

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bestshow opened this issue Mar 3, 2017 · 1 comment
Closed

php-calendar – Cross-Site Scripting (XSS) #4

bestshow opened this issue Mar 3, 2017 · 1 comment

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@bestshow
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bestshow commented Mar 3, 2017

Product: php-calendar
Download: https://github.com/jasonjoh/php-calendar
Vunlerable Version: latest version
Tested Version: latest version
Author: ADLab of Venustech

Advisory Details:
A Cross-Site Scripting (XSS) was discovered in“php-calendar latest version”, which can be exploited to execute arbitrary code.
The vulnerability exists due to insufficient filtration of user-supplied data in the “errorMsg” HTTP GET parameter passed to the “php-calendar-master/error.php” URL. An attacker could execute arbitrary HTML and script code in a browser in the context of the vulnerable website.
The exploitation example below uses the "alert()" JavaScript function to see a pop-up messagebox:
Poc:
http://localhost/.../php-calendar-master/error.php?errorMsg=%22%3E%3Cscript%3Ealert(1);%3C/script%3E%3C%22

jasonjoh added a commit that referenced this issue Mar 3, 2017
@jasonjoh
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jasonjoh commented Mar 3, 2017

Closed via commit

@jasonjoh jasonjoh closed this as completed Mar 3, 2017
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