Open Redirect Vulnerability in GroupSession by GroupSession

CVE-2021-20875

What is CVE-2021-20875?

An open redirect vulnerability exists in the GroupSession Free edition, GroupSession byCloud, and GroupSession ZION, all versions 5.1.1 and earlier. This flaw allows a remote unauthenticated attacker to manipulate users into visiting malicious websites. By crafting a specifically designed URL, attackers can redirect users from legitimate sites to unintended locations, facilitating phishing attempts and potentially compromising user credentials. Organizations using these affected GroupSession products should promptly apply necessary security measures to safeguard their users.

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