Medium severity4.7NVD Advisory· Published Dec 12, 2025· Updated Jun 17, 2026
CVE-2025-64781
CVE-2025-64781
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
7cpe:2.3:a:groupsession:groupsession:*:*:*:*:bycloud:*:*:*+ 2 more
- cpe:2.3:a:groupsession:groupsession:*:*:*:*:bycloud:*:*:*range: <5.7.1
- cpe:2.3:a:groupsession:groupsession:*:*:*:*:free:*:*:*range: <5.7.1
- cpe:2.3:a:groupsession:groupsession:*:*:*:*:zion:*:*:*range: <5.7.1
- Range: <5.7.1
- Range: <5.7.1
- Range: <5.7.1
- Range: <5.7.1
Patches
Vulnerability mechanics
References
2- groupsession.jp/info/info-news/security20251208nvdVendor Advisory
- jvn.jp/en/jp/JVN19940619/nvdThird Party Advisory
News mentions
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