{"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"}