AjentiCP Dir Name Based Stored XSS <= v1.2.23.13

2018.10.21

InfinitumIT (TR)

Risk: Low

Local: Yes

Remote: Yes

CVE: CVE-2018-18548

CWE: CWE-79

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

[+] Title: AjentiCP Dir Name Based Stored XSS <= v1.2.23.13
[+] Author: Numan OZDEMIR (https://infinitumit.com.tr)
[+] Vendor Homepage: ajenti.org
[+] Version: Up to v1.2.23.13
[+] CVE: CVE-2018-18548
[+] Discovered by Numan OZDEMIR in InfinitumIT Labs
[+] root@numanozdemir.com - info@infinitumit.com.tr

[~] Description:

Attacker can inject JavaScript codes without Ajenti privileges by this vulnerabillity.
Normally an attacker cant intervene to Ajenti without Ajenti privileges.
But with this vulnerability, if attacker can create a folder (may be by a web app vulnerability) he can run
bad-purposed JavaScript codes on Ajenti user's browser, while the user using File Manager tool. 
So this vulnerability makes high risk.

[~] How to Reproduce:
1)- Create a directory as named xss payload. Like, im<img src onerror=alert(1337)>dir
2)- Open this directory in File Manager tool in Ajenti server admin panel.

// for secure days...

References:

https://numanozdemir.com/ajenti-xss.txt

CVE-2018-18548

See this note in RAW Version

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AjentiCP Dir Name Based Stored XSS <= v1.2.23.13

References:

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