CVE-2018-6882

Known Exploited Public Exploit

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 65.61% Top 5%
KEV Since 
Vendor Advisory zimbra.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://seclists.org/fulldisclosure/2018/Mar/52 third party advisory mailing list
https://www.securify.nl/advisory/SFY20180101/cross-site-scripting-vulnerability-in-zimbra-collaboration-suite-due-to-the-way-it-handles-attachment-links.html third party advisory exploit
https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.7 permissions required
https://bugzilla.zimbra.com/show_bug.cgi?id=108786 issue tracking permissions required
http://www.securityfocus.com/archive/1/541891/100/0/threaded mailing list vdb entry third party advisory broken link
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-6882?
CVE-2018-6882 has been scored as a medium severity vulnerability.
How to fix CVE-2018-6882?
To fix CVE-2018-6882, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-6882 being actively exploited in the wild?
It is confirmed that CVE-2018-6882 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~66% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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