PageKit CMS 1.0.13 Cross Site Scripting

2018.06.01
Credit: Jason Perry
Risk: Low
Local: No
Remote: Yes
CWE: CWE-79


CVSS Base Score: 3.5/10
Impact Subscore: 2.9/10
Exploitability Subscore: 6.8/10
Exploit range: Remote
Attack complexity: Medium
Authentication: Single time
Confidentiality impact: None
Integrity impact: Partial
Availability impact: None

CVE ID: CVE-2018-11564 Stored XSS in PageKit CMS 1.0.13 allows a user to upload malicious code via the picture upload feature. A user with elevated privileges could upload a photo to the system in an SVG format. This file will be uploaded to the system and it will not be stripped or filtered. The user can create a link on the website pointing to "/storage/poc.svg" that will point to http://localhost/pagekit/ storage/poc.svg. When a user comes along to click that link, it will trigger a XSS attack.


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