PULSEUnderground Intel

LIVE44signals / 24h

FEED

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CVE Watch—

CVE-2023-37580

Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability

CVSS

—

No CVSS

EPSS

60.0%

p99

KEV

YES

Jul 27, 2023

Exploit Today

80

0-100

Published: — · Last modified: —

EPSS · 30d

59.0%EPSS · 30 days60.0%

2026-06-302026-07-16

KEV catalog record

Product

Synacor / Zimbra Collaboration Suite (ZCS)

Vulnerability

Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability

Added to KEV

Jul 27, 2023

Remediate by

Aug 17, 2023

Known ransomware use

No

Summary description

Synacor Zimbra Collaboration Suite (ZCS) contains a cross-site scripting vulnerability impacting the confidentiality and integrity of data.

Required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Notes

https://wiki.zimbra.com/wiki/Security_Center ; https://nvd.nist.gov/vuln/detail/CVE-2023-37580

Related CVEs

CVECVSSEPSSKEVRExploitTitleMod.

CVE-2024-45519—

KEV—80Synacor Zimbra Collaboration Suite (ZCS) Command Execution Vulnerability—CVE-2019-9670—

KEV—80Synacor Zimbra Collaboration Suite (ZCS) Improper Restriction of XML External Entity Reference—CVE-2022-27925—

KEV—80Synacor Zimbra Collaboration Suite (ZCS) Arbitrary File Upload Vulnerability—CVE-2022-41352—

KEV—80Synacor Zimbra Collaboration Suite (ZCS) Arbitrary File Upload Vulnerability—CVE-2022-37042—

KEV—80Synacor Zimbra Collaboration Suite (ZCS) Authentication Bypass Vulnerability—CVE-2022-27924—

KEV—80Synacor Zimbra Collaboration Suite (ZCS) Command Injection Vulnerability—