SB2020020512 - Reverse Tabnabbing in J-Business Directory component for Jomla!
Published: February 5, 2020
Security Bulletin ID
SB2020020512
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Reverse Tabnabbing (CVE-ID: CVE-2020-5182)
CWE-ID: CWE-1022 - Use of Web Link to Untrusted Target with window.opener Access
CVSSv4: 5.1 [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]
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.
Remediation
Install update from vendor's website.