Reverse Tabnabbing in J-Business Directory component for Jomla!



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-5182
CWE-ID CWE-1022
Exploitation vector Network
Public exploit N/A
Vulnerable software
 J-Business Directory
Web applications / Modules and components for CMS

Vendor CMS Junkie

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Reverse Tabnabbing

EUVDB-ID: #VU24944

Risk: Low

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

CVE-ID: CVE-2020-5182

CWE-ID: CWE-1022 - Use of Web Link to Untrusted Target with window.opener Access

Exploit availability: No

Description

The vulnerability allows a remote attacker to modify certain properties on the affected system.

The vulnerability exist due to Reverse Tabnabbing on the listing website links that are open in a new tab. In some configurations, the link to the business website can be entered by any user. If it doesn't contain rel="noopener" (or similar attributes such as noreferrer). A remote attacker can modify the location property to automatically redirect the user to a malicious site.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

J-Business Directory: All versions

CPE2.3 External links

https://www.cmsjunkie.com/blog/joomla_business_directory_5-2-9_release/


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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