SB2021070516 - Open redirect in Flask-User
Published: July 5, 2021 Updated: January 12, 2022
Security Bulletin ID
SB2021070516
CSH Severity
Medium
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Open redirect (CVE-ID: CVE-2021-23401)
The vulnerability allows a remote attacker to redirect victims to arbitrary URL.
The vulnerability exists due to improper sanitization of user-supplied data in the "make_safe_url" function. A remote attacker can create a link that leads to a trusted website, however, when clicked, redirects the victim to arbitrary domain.
Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.