Holiday class post calendar <= 7.1 - Unauthenticated Remote Code Execution via 'contents'_CVE-2025-12813

{
    "lastseen": "",
    "description": "The Holiday class post calendar plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 7.1 via the 'contents' parameter. This is due to a lack of sanitization of user-supplied data when creating a cache file. This makes it possible for unauthenticated attackers to execute code on the server.",
    "published": "2025-11-11T03:30:43.449Z",
    "modified": "2025-11-11T03:30:43.449Z",
    "type": "cve",
    "title": "Holiday class post calendar <= 7.1 - Unauthenticated Remote Code Execution via 'contents'",
    "source": "Wordfence",
    "references": "https://www.wordfence.com/threat-intel/vulnerabilities/id/7f7968c4-589c-4949-9f69-4a0ba4db4ea9?source=cve\nhttps://plugins.trac.wordpress.org/browser/holiday-class-post-calendar/trunk/holiday_class_post_calendar.php#L1234",
    "id": "CVE-2025-12813",
    "bulletinFamily": "",
    "cwe": [
        "CWE-94"
    ],
    "cvelist": null,
    "sourceData": "strix-bubol5 Holiday class post calendar *",
    "sourceHref": "",
    "cvss": {
        "score": 9.8,
        "severity": "CRITICAL",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
        "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": "Holiday class post calendar",
    "version": "*",
    "vendor": "strix-bubol5",
    "ai_description": "Unauthenticated Remote Code Execution via 'contents' parameter due to lack of sanitization of user-supplied data",
    "ai_severity": "Critical",
    "ai_vendor": "strix-bubol5",
    "ai_product": "Holiday class post calendar",
    "ai_version": "7.1",
    "ai_score": 9.8
}