Cross-site scripting in Sell Media plugin for WordPress



Published: 2020-08-18
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-6112
CWE-ID CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Sell Media
Web applications / Modules and components for CMS

Vendor Thad Allender

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Cross-site scripting

EUVDB-ID: #VU45750

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 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

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

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


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.



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