CVE-2025-61987
Medium
Description
GroupSession Free edition prior to ver5.3.0, GroupSession byCloud prior to ver5.3.3, and GroupSession ZION prior to ver5.3.2. do not validate origins in WebSockets. If a user accesses a crafted page, Chat information sent to the user may be exposed.
SeverityMedium
CVSS6.9
Exploit probability—
ProductGroupsession
PublishedDec 12, 2025
First seenDec 12, 2025
Weakness typeCWE-1385CWE-1385
How to fix
Update
- groupsession groupsession5.3.0, 5.3.2, 5.3.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| groupsession groupsession | v < 5.3.0, v < 5.3.2, v < 5.3.3 | 5.3.0, 5.3.2, 5.3.3 |
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