#VU37183 Cross-site scripting in BigTree CMS - CVE-2018-10183

Vulnerability identifier: #VU37183

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-10183

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
BigTree CMS
Web applications / CMS

Vendor: BigTree CMS

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

An issue was discovered in BigTree 4.2.22. There is cross-site scripting (XSS) in /core/inc/lib/less.php/test/index.php because of a $_SERVER['REQUEST_URI'] echo, as demonstrated by the dir parameter in a file=charsets action.

Mitigation
Install update from vendor's website.

Vulnerable software versions

BigTree CMS: 4.2.22

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External links
https://github.com/bigtreecms/BigTree-CMS/issues/333

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.