CVE-2025-64781
Medium
Description
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.
SeverityMedium
CVSS5.1
Exploit probability—
ProductGroupsession
PublishedDec 12, 2025
First seenDec 12, 2025
Weakness typeCWE-1188CWE-1188
How to fix
Update
- groupsession groupsession5.7.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| groupsession groupsession | v < 5.7.1 | 5.7.1 |
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