SB2019071108 - Reverse Tabnabbing in Quill
Published: July 11, 2019
Security Bulletin ID
SB2019071108
CSH Severity
Low
Patch available
NO
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: N/A)
CWE-ID: CWE-1022 - Use of Web Link to Untrusted Target with window.opener Access
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to modify certain properties on the affected system.
The vulnerability exist due to Reverse Tabnabbing via the snow theme. The link has the target attribute set to "_blank" but has no "rel" property. A remote attacker can modify the location property to automatically redirect the user to a malicious site.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.