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CVE-2025-61987

GroupSession Free edition prior to ver5.3.0, GroupSession byCloud prior to ver5.3.3, and GroupSession ZION prior to ver5.3.2.

Published
Last modified
published
Not listed in CISA KEV
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • Japan Total System Co.,Ltd. GroupSession Free edition

    prior to ver5.3.0

  • Japan Total System Co.,Ltd. GroupSession byCloud

    prior to ver5.3.3

  • Japan Total System Co.,Ltd. GroupSession ZION

    prior to ver5.3.2

References 2

groupsession.jp

jvn.jp