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Vulnerabilities

Vulnerability · CVE-2025-58576

Cross-site request forgery vulnerability exists in GroupSession Free edition prior to ver5.3.0, GroupSession byCloud prior to ver5.3.3, and GroupSession ZION prior to ver5.3.2.

Published Dec 12, 2025 · catalog updated Dec 12, 2025 · Japan Total System Co.,Ltd. GroupSession Free edition

Last checked Oct 27, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-58576. EPSS is 0.13%. Act only if a listed version of Japan Total System Co.,Ltd. GroupSession Free edition is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium5.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.13%
Remediation
Advisory link
Affected products
vendor Japan Total System Co.,Ltd. GroupSession Free edition prior to ver5.3.0

Cross-site request forgery vulnerability exists in GroupSession Free edition prior to ver5.3.0, GroupSession byCloud prior to ver5.3.3, and GroupSession ZION prior to ver5.3.2. If a user accesses a malicious page while logged in, unintended operations may be performed.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Japan Total System Co.,Ltd. GroupSession Free edition prior to ver5.3.0prior to ver5.3.0

How to fix CVE-2025-58576

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-58576. EPSS is 0.13%. Act only if a listed version of Japan Total System Co.,Ltd. GroupSession Free edition is installed.

Which versions are affected?

Compare what you have installed with Japan Total System Co.,Ltd. GroupSession Free edition prior to ver5.3.0 prior to ver5.3.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.13%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 12, 2025 · EUVD

    Detected

    Cross-site request forgery vulnerability exists in GroupSession Free edition prior to ver5.3.0, GroupSession byCloud prior to ver5.3.3, and GroupSession ZION prior to ver5.3.2. If a user accesses a malicious page while logged in, unintended operations may be performed.

  2. Dec 12, 2025 · EUVD

    Updated

    Cross-site request forgery vulnerability exists in GroupSession Free edition prior to ver5.3.0, GroupSession byCloud prior to ver5.3.3, and GroupSession ZION prior to ver5.3.2. If a user accesses a malicious page while logged in, unintended operations may be performed.

Sources

  • CVE.orgVulnerability recordCVE-2025-58576

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-58576

    30-day exploitation probability 0.13%

    first.org
  • EUVDVulnerability recordEUVD-2025-203020

    Cross-site request forgery vulnerability exists in GroupSession Free edition prior to ver5.3.0, GroupSession byCloud prior to ver5.3.3, and GroupSession ZION prior to ver5.3.2. If a user accesses a malicious page while logged in, unintended operations may be performed.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 27, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgOct 27, 2026
  • FIRST EPSSOct 27, 2026
  • EUVDOct 27, 2026