Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2025-66284

Stored cross-site scripting vulnerabilities exist in GroupSession Free edition prior to ver5.7.1, GroupSession byCloud prior to ver5.7.1, and GroupSession ZION prior to ver5.7.1. A logged-in user can prepare a malicious page or URL, and an arbitrary script may be executed on the web browser when another user accesses it.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:46fa3f2e332b99798dd3f42473415c12a0513fad6ec9baa4dd56f4c553d4dba2
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 3 assertions

{"product":"GroupSession Free edition","vendor":"Japan Total System Co.,Ltd.","versions":[{"status":"affected","version":"prior to ver5.7.1"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c580d70769b7effe8021ee604f601e765492f1826dc321fb437a9eba086412fb · sha256:c8ae4571f8a9b534… · /containers/cna/affected/0

{"product":"GroupSession ZION","vendor":"Japan Total System Co.,Ltd.","versions":[{"status":"affected","version":"prior to ver5.7.1"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c580d70769b7effe8021ee604f601e765492f1826dc321fb437a9eba086412fb · sha256:c8ae4571f8a9b534… · /containers/cna/affected/2

{"product":"GroupSession byCloud","vendor":"Japan Total System Co.,Ltd.","versions":[{"status":"affected","version":"prior to ver5.7.1"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c580d70769b7effe8021ee604f601e765492f1826dc321fb437a9eba086412fb · sha256:c8ae4571f8a9b534… · /containers/cna/affected/1
cvss · 2 assertions

{"metric":{"baseScore":4.8,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c580d70769b7effe8021ee604f601e765492f1826dc321fb437a9eba086412fb · sha256:c8ae4571f8a9b534… · /containers/cna/metrics/1/cvssV4_0

{"metric":{"baseScore":5.4,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c580d70769b7effe8021ee604f601e765492f1826dc321fb437a9eba086412fb · sha256:c8ae4571f8a9b534… · /containers/cna/metrics/0/cvssV3_0

Affected products and versions

3 source assertions
{"product":"GroupSession Free edition","vendor":"Japan Total System Co.,Ltd.","versions":[{"status":"affected","version":"prior to ver5.7.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c580d70769b7effe8021ee604f601e765492f1826dc321fb437a9eba086412fb · sha256:c8ae4571f8a9b534… · /containers/cna/affected/0
{"product":"GroupSession ZION","vendor":"Japan Total System Co.,Ltd.","versions":[{"status":"affected","version":"prior to ver5.7.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c580d70769b7effe8021ee604f601e765492f1826dc321fb437a9eba086412fb · sha256:c8ae4571f8a9b534… · /containers/cna/affected/2
{"product":"GroupSession byCloud","vendor":"Japan Total System Co.,Ltd.","versions":[{"status":"affected","version":"prior to ver5.7.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c580d70769b7effe8021ee604f601e765492f1826dc321fb437a9eba086412fb · sha256:c8ae4571f8a9b534… · /containers/cna/affected/1

Provider-owned CVSS observations

2 source assertions
{"metric":{"baseScore":4.8,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c580d70769b7effe8021ee604f601e765492f1826dc321fb437a9eba086412fb · sha256:c8ae4571f8a9b534… · /containers/cna/metrics/1/cvssV4_0
{"metric":{"baseScore":5.4,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c580d70769b7effe8021ee604f601e765492f1826dc321fb437a9eba086412fb · sha256:c8ae4571f8a9b534… · /containers/cna/metrics/0/cvssV3_0

CWE assertions

1 source assertion
{"cweId":"CWE-79","description":"Cross-site scripting (XSS)","lang":"en-US","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c580d70769b7effe8021ee604f601e765492f1826dc321fb437a9eba086412fb · sha256:c8ae4571f8a9b534… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"url":"https://groupsession.jp/info/info-news/security20251208"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c580d70769b7effe8021ee604f601e765492f1826dc321fb437a9eba086412fb · sha256:c8ae4571f8a9b534… · /containers/cna/references/0
{"url":"https://jvn.jp/en/jp/JVN19940619/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c580d70769b7effe8021ee604f601e765492f1826dc321fb437a9eba086412fb · sha256:c8ae4571f8a9b534… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

← Back to CVE Explorer