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CVE-2018-6882
MEDIUM6.1
CISA KEV
Published 2018-03-27 · Updated 2026-08-13 · Source cve@mitre.org
Description
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.
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE-79CWE-79
CISA Known-Exploited Vulnerability
Product: Synacor — Zimbra Collaboration Suite (ZCS)
Name: Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability
Date added: 2022-04-19 · Due: 2022-05-10
USED IN RANSOMWARE
Required action: Apply updates per vendor instructions.
References
- http://seclists.org/fulldisclosure/2018/Mar/52
- http://www.securityfocus.com/archive/1/541891/100/0/threaded
- https://bugzilla.zimbra.com/show_bug.cgi?id=108786
- https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.7
- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
- https://www.securify.nl/advisory/SFY20180101/cross-site-scripting-vulnerability-in-zimbra-collaboration-suite-due-to-the-way-it-handles-attachment-links.html
- http://seclists.org/fulldisclosure/2018/Mar/52
- http://www.securityfocus.com/archive/1/541891/100/0/threaded

