Flex Guten <= 1.2.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via thumbnailHoverEffect Parameter_CVE-2025-6256

{
    "lastseen": "",
    "description": "The Flex Guten plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the \u2018thumbnailHoverEffect\u2019 parameter in all versions up to, and including, 1.2.5 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.",
    "published": "2025-08-06T01:45:12.660Z",
    "modified": "2025-08-06T15:59:40.431Z",
    "type": "cve",
    "title": "Flex Guten <= 1.2.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via thumbnailHoverEffect Parameter",
    "source": "Wordfence",
    "references": "https://www.wordfence.com/threat-intel/vulnerabilities/id/ca149cc0-b256-41cd-b64d-dd905bd72602?source=cve\nhttps://plugins.trac.wordpress.org/browser/flex-guten/trunk/build/blocks/dwp-latest-posts/render.php#L107\nhttps://wordpress.org/plugins/flex-guten/#developers",
    "id": "CVE-2025-6256",
    "bulletinFamily": "",
    "cwe": [
        "CWE-79"
    ],
    "cvelist": null,
    "sourceData": "dragwp Flex Guten \u2013 A Multipurpose Gutenberg Blocks Plugin *",
    "sourceHref": "",
    "cvss": {
        "score": 6.4,
        "severity": "MEDIUM",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/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": "Flex Guten \u2013 A Multipurpose Gutenberg Blocks Plugin",
    "version": "*",
    "vendor": "dragwp",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}