Vulnerability identifier: #VU45750

Vulnerability risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-6112

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Sell Media
Web applications / Modules and components for CMS

Vendor: Thad Allender

Description

Vulnerability allows a remote attacker to perform Cross-site scripting attacks.

An input validation error exists in /inc/class-search.php in the Sell Media plugin for WordPress when processing keyword parameter. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Sell Media: 2.4 - 2.4.1

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External links
http://github.com/graphpaperpress/Sell-Media/commit/8ac8cebf332e0885863d0a25e16b4b180abedc47#diff-f16fea0a0c8cc36031ec339d02a4fb3b
http://metamorfosec.com/Files/Advisories/METS-2020-001-A_XSS_Vulnerability_in_Sell_Media_Plugin_v2.4.1_for_WordPress.txt

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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.