#VU18543 Open redirect in Newsletter Manager
Published: May 21, 2019
Vulnerability identifier: #VU18543
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: N/A
CWE-ID: CWE-601
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Newsletter Manager
Newsletter Manager
Software vendor:
xyzscripts.com
xyzscripts.com
Description
The vulnerability allows a remote attacker to redirect victims to arbitrary URL.
The vulnerability exists due to improper sanitization of user-supplied data passed via "appurl" HTTP GET parameter within the "/newsletter-manager/confirmation.php" script. 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.
Example:
http://host[]?wp_nlm=confirmation&appurl=<BASE64_ENCODED_LINK>Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.