File Browser is vulnerable to Stored Cross-Site Scripting via text/template branding injection_CVE-2026-34530

{
    "lastseen": "",
    "description": "File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to version 2.62.2, the SPA index page in File Browser is vulnerable to Stored Cross-Site Scripting (XSS) via admin-controlled branding fields. An admin who sets branding.name to a malicious payload injects persistent JavaScript that executes for ALL visitors, including unauthenticated users. This issue has been patched in version 2.62.2.",
    "published": "2026-04-01T20:41:08.718Z",
    "modified": "2026-04-04T03:14:50.072Z",
    "type": "cve",
    "title": "File Browser is vulnerable to Stored Cross-Site Scripting via text/template branding injection",
    "source": "GitHub_M",
    "references": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-xfqj-3vmx-63wv\nhttps://github.com/filebrowser/filebrowser/releases/tag/v2.62.2",
    "id": "CVE-2026-34530",
    "bulletinFamily": "",
    "cwe": [
        "CWE-79"
    ],
    "cvelist": null,
    "sourceData": "filebrowser filebrowser < 2.62.2",
    "sourceHref": "",
    "cvss": {
        "score": 6.9,
        "severity": "MEDIUM",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/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": "filebrowser",
    "version": "< 2.62.2",
    "vendor": "filebrowser",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}