DOM-based cross-site scripting in Branch.io - #VU15362
Published: October 15, 2018 / Updated: February 20, 2019
Vulnerability identifier: #VU15362
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Branch.io
Affected software:
Branch.io
Branch.io
Detailed vulnerability description
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists within branch.io toolkit due to insufficient sanitization of user-supplied data. The vulnerability allows a user with permissions to edit which attribute is used in the breadcrumbs bar to store code that will be executed on the client side.
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.
Remediation
Install update to the latest version from vendor's website.