Vulnerability Instance

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{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/100754?format=api",
    "vulnerability_id": "VCID-61cq-4kxc-9ucm",
    "summary": "Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulnerability in Stylemix MasterStudy LMS masterstudy-lms-learning-management-system allows Leveraging Race Conditions.This issue affects MasterStudy LMS: from n/a through <= 3.6.20.",
    "aliases": [
        {
            "alias": "CVE-2025-59577"
        }
    ],
    "fixed_packages": [],
    "affected_packages": [],
    "references": [
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2025-59577",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.00103",
                    "scoring_system": "epss",
                    "scoring_elements": "0.27685",
                    "published_at": "2026-06-11T12:55:00Z"
                },
                {
                    "value": "0.00103",
                    "scoring_system": "epss",
                    "scoring_elements": "0.27886",
                    "published_at": "2026-06-12T12:55:00Z"
                },
                {
                    "value": "0.00103",
                    "scoring_system": "epss",
                    "scoring_elements": "0.27911",
                    "published_at": "2026-06-13T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2025-59577"
        },
        {
            "reference_url": "https://patchstack.com/database/Wordpress/Plugin/masterstudy-lms-learning-management-system/vulnerability/wordpress-masterstudy-lms-plugin-3-6-20-race-condition-vulnerability?_s_id=cve",
            "reference_id": "wordpress-masterstudy-lms-plugin-3-6-20-race-condition-vulnerability?_s_id=cve",
            "reference_type": "",
            "scores": [
                {
                    "value": "4.3",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"
                },
                {
                    "value": "Track",
                    "scoring_system": "ssvc",
                    "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-09-23T17:48:14Z/"
                }
            ],
            "url": "https://patchstack.com/database/Wordpress/Plugin/masterstudy-lms-learning-management-system/vulnerability/wordpress-masterstudy-lms-plugin-3-6-20-race-condition-vulnerability?_s_id=cve"
        }
    ],
    "weaknesses": [
        {
            "cwe_id": 362,
            "name": "Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')",
            "description": "The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently."
        }
    ],
    "exploits": [],
    "severity_range_score": "4.3 - 4.3",
    "exploitability": null,
    "weighted_severity": null,
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-61cq-4kxc-9ucm"
}