ZeroDay Findings
Sign inSign up

Findings

CVE-2018-6882

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

Published Mar 27, 2018 · updated Oct 1, 2026 · synacor zimbra collaboration suite

Cross-site scripting (XSS) vulnerability in the ZmMailMsgView.getAttachmentLinkHtml function in Zimbra Collaboration Suite (ZCS) before 8.7 Patch 1 and 8.8.x before 8.8.7 might allow remote attackers to inject arbitrary web script or HTML via a Content-Location header in an email attachment.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 27, 2018 · Catalog

    Detected

    Cross-site scripting (XSS) vulnerability in the ZmMailMsgView.getAttachmentLinkHtml function in Zimbra Collaboration Suite (ZCS) before 8.7 Patch 1 and 8.8.x before 8.8.7 might allow remote attackers to inject arbitrary web script or HTML via a Content-Location header in an email attachment.

  2. Apr 19, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. May 10, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Oct 1, 2026 · Catalog

    Updated

    Cross-site scripting (XSS) vulnerability in the ZmMailMsgView.getAttachmentLinkHtml function in Zimbra Collaboration Suite (ZCS) before 8.7 Patch 1 and 8.8.x before 8.8.7 might allow remote attackers to inject arbitrary web script or HTML via a Content-Location header in an email attachment.

Required action

Apply updates per vendor instructions.

CISA due date May 10, 2022

Affected

  • cpe synacor/zimbra collaboration suiteversion unspecified
  • cpe synacor/zimbra collaboration suite8.7.0
  • cpe synacor/zimbra collaboration suite8.8.0
  • cpe synacor/zimbra collaboration suite8.8.1
  • cpe synacor/zimbra collaboration suite8.8.2
  • cpe synacor/zimbra collaboration suite8.8.3
  • cpe synacor/zimbra collaboration suite8.8.4
  • cpe synacor/zimbra collaboration suite8.8.5
  • vendor Synacor Zimbra Collaboration Suite (ZCS)version unspecified

Sources

  • CISA KEVConfirmed exploitationCVE-2018-6882

    Synacor Zimbra Collaboration Suite (ZCS) contains a cross-site scripting vulnerability that might allow remote attackers to inject arbitrary web script or HTML.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2018-6882

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2018-6882

    30-day exploitation probability 29.8%

    first.org
  • NIST NVDVulnerability recordCVE-2018-6882

    Cross-site scripting (XSS) vulnerability in the ZmMailMsgView.getAttachmentLinkHtml function in Zimbra Collaboration Suite (ZCS) before 8.7 Patch 1 and 8.8.x before 8.8.7 might allow remote attackers to inject arbitrary web script or HTML via a Content-Location header in an email

    nvd.nist.gov

References