{
    "id": "CVE-2021-42751",
    "published": "2022-08-12 17:15:08",
    "last_modified": "2026-06-17 04:10:04",
    "cvss_score": "4.8",
    "cvss_severity": "MEDIUM",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
    "cwe": "CWE-79",
    "description": "A cross-site scripting (XSS) vulnerability in Rule Engine in ThingsBoard 3.3.1 allows remote attackers (with administrative access) to inject arbitrary JavaScript within the description of a rule node.",
    "epss_score": "0.03050",
    "epss_percentile": "0.87114",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-05 18:17:27",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "thingsboard",
            "product": "thingsboard"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "51004",
            "title": "ThingsBoard 3.3.1 'description' - Stored Cross-Site Scripting (XSS)",
            "date": "2022-08-09",
            "url": "https://www.exploit-db.com/exploits/51004"
        }
    ],
    "refs_list": [
        "https://github.com/thingsboard/thingsboard",
        "https://packetstormsecurity.com/files/167999/Thingsboard-3.3.1-Cross-Site-Scripting.html",
        "https://github.com/thingsboard/thingsboard",
        "https://packetstormsecurity.com/files/167999/Thingsboard-3.3.1-Cross-Site-Scripting.html"
    ]
}