{
    "id": "CVE-2022-24682",
    "published": "2022-02-09 04:15:07",
    "last_modified": "2026-08-07 05:16:55",
    "cvss_score": "6.1",
    "cvss_severity": "MEDIUM",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
    "cwe": "CWE-116",
    "description": "An issue was discovered in the Calendar feature in Zimbra Collaboration Suite 8.8.x before 8.8.15 patch 30 (update 1), as exploited in the wild starting in December 2021. An attacker could place HTML containing executable JavaScript inside element attributes. This markup becomes unescaped, causing arbitrary markup to be injected into the document.",
    "epss_score": "0.30931",
    "epss_percentile": "0.98203",
    "kev": 1,
    "kev_due": "2022-03-11",
    "has_exploit": 0,
    "updated_at": "2026-09-26 18:28:48",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2022-03-11."
    },
    "products": [
        {
            "vendor": "synacor",
            "product": "zimbra_collaboration_suite"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2022-24682",
        "date_added": "2022-02-25",
        "due_date": "2022-03-11",
        "vendor": "Synacor",
        "product": "Zimbra Collaborate Suite (ZCS)",
        "name": "Synacor Zimbra Collaborate Suite (ZCS) Cross-Site Scripting Vulnerability",
        "ransomware": 1
    },
    "exploits": [],
    "refs_list": [
        "https://blog.zimbra.com/2022/02/hotfix-available-5-feb-for-zero-day-exploit-vulnerability-in-zimbra-8-8-15/",
        "https://wiki.zimbra.com/wiki/Security_Center",
        "https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P30",
        "https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories",
        "https://www.volexity.com/blog/2022/02/03/operation-emailthief-active-exploitation-of-zero-day-xss-vulnerability-in-zimbra/",
        "https://blog.zimbra.com/2022/02/hotfix-available-5-feb-for-zero-day-exploit-vulnerability-in-zimbra-8-8-15/",
        "https://wiki.zimbra.com/wiki/Security_Center",
        "https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P30",
        "https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories",
        "https://www.volexity.com/blog/2022/02/03/operation-emailthief-active-exploitation-of-zero-day-xss-vulnerability-in-zimbra/",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-24682"
    ]
}