Outline’s Local File Storage Feature can Cause CSP Bypass_CVE-2025-58351

{
    "lastseen": "",
    "description": "Outline is a service that allows for collaborative documentation. In versions 0.72.0 through 0.83.0, Outline introduced a feature which facilitates local file system storage capabilities as an optional file storage strategy. This feature allowed a CSP bypass as well as a ContentType bypass that might facilitate further attacks. In the case of self-hosting and using Outline FILE_STORAGE=local on the same domain as the Outline application, a malicious payload can be uploaded as a file attachment and bypass those CSP restrictions, allowing script execution within the context of another user. This is fixed in version 0.84.0.",
    "published": "2025-09-03T03:20:54.579Z",
    "modified": "2025-09-03T03:20:54.579Z",
    "type": "cve",
    "title": "Outline's Local File Storage Feature can Cause CSP Bypass",
    "source": "GitHub_M",
    "references": "https://github.com/outline/outline/security/advisories/GHSA-gcj7-c9jv-fhgf\nhttps://github.com/outline/outline/commit/18bc93c9c207329244c6909606a2393e863892a3\nhttps://github.com/outline/outline/releases/tag/v0.84.0",
    "id": "CVE-2025-58351",
    "bulletinFamily": "",
    "cwe": [
        "CWE-79"
    ],
    "cvelist": null,
    "sourceData": "outline outline >= 0.72.0, < 0.84.0",
    "sourceHref": "",
    "cvss": {
        "score": 6.8,
        "severity": "MEDIUM",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "outline",
    "version": ">= 0.72.0, < 0.84.0",
    "vendor": "outline",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}