cve-2025-48700

{
  "cvss": 0.0,
  "datePublished": "2026-04-20",
  "dateUpdated": "2026-04-20",
  "description": "Synacor Zimbra Collaboration Suite (ZCS) contains a cross-site scripting vulnerability that could allow attackers to execute arbitrary JavaScript within the user's session, potentially leading to unauthorized access to sensitive information.",
  "dueDate": "2026-04-23",
  "id": "CVE-2025-48700",
  "kev_catalogs": [
    "cisa"
  ],
  "knownRansomwareCampaignUse": "Unknown",
  "notes": "https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories ; https://nvd.nist.gov/vuln/detail/CVE-2025-48700",
  "product": "Zimbra Collaboration Suite (ZCS)",
  "requiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
  "severity": "HIGH",
  "source": "cisa_known_exploited",
  "title": "Synacor Zimbra Collaboration Suite (ZCS) Cross-site Scripting Vulnerability",
  "vendor": "Synacor"
}