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.

CVSS v3.1 NVD

6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS v2.0 NVD

4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N

EPSS

29.76% chance of exploitation in the next 30 days, 98th percentile

CISA KEV

added 2022-04-19, used in ransomware campaigns

Nuclei

medium · CWE-79

Published

2018-03-27

Updated

2026-10-01

Proof-of-concept exploits (1)

• https://www.securify.nl/advisory/SFY20180101/cross-site-scripting-vulnerability-in-zimbra…

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2018/CVE-2018-6882.yaml

Security advisories

• https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
• 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

References

• CVE Record
• NVD entry