Vulnerability Details CVE-2025-64781
In GroupSession Free edition prior to ver5.7.1, GroupSession byCloud prior to ver5.7.1, and GroupSession ZION prior to ver5.7.1, "External page display restriction" is set to "Do not limit" in the initial configuration. With this configuration, the user may be redirected to an arbitrary website when accessing a specially crafted URL.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 10.6%
CVSS Severity
CVSS v3 Score 4.7
References
Products affected by CVE-2025-64781
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cpe:2.3:a:groupsession:groupsession:*