CVE-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 attachment.

Score

CVSS 3.1 6.1 Medium

Status

Analyzed - cve@mitre.org

Published

2018-03-27

Last modified

2026-10-01

Known exploited (CISA KEV)

since 2022-04-19, action due 2022-05-10: Apply updates per vendor instructions.

Weaknesses

CWE-79

Affected products

• Zimbra Collaboration Suite (Synacor)

References

• http://seclists.org/fulldisclosure/2018/Mar/52
• https://www.securify.nl/advisory/SFY20180101/cross-site-scripting-vulnerability-in-zimbra-collaboration-suite-due-to-th…
• https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.7
• https://bugzilla.zimbra.com/show_bug.cgi?id=108786
• http://www.securityfocus.com/archive/1/541891/100/0/threaded
• https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-6882