CVE-2018-6882

high-risk
Published 2018-03-27

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.

Do I need to act?

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79.5% chance of exploitation in next 30 days
EPSS score — higher than 20% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.1/10 Medium
NETWORK / LOW complexity

Affected Products (9)

Affected Vendors

Synacor

References (13)

Mailing List http://seclists.org/fulldisclosure/2018/Mar/52
Broken Link http://www.securityfocus.com/archive/1/541891/100/0/threaded
Broken Link https://bugzilla.zimbra.com/show_bug.cgi?id=108786
Permissions Required https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.7
Vendor Advisory https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
Exploit https://www.securify.nl/advisory/SFY20180101/cross-site-scripting-vulnerability-...
Mailing List http://seclists.org/fulldisclosure/2018/Mar/52
Broken Link http://www.securityfocus.com/archive/1/541891/100/0/threaded
Broken Link https://bugzilla.zimbra.com/show_bug.cgi?id=108786
Permissions Required https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.7
Vendor Advisory https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
Exploit https://www.securify.nl/advisory/SFY20180101/cross-site-scripting-vulnerability-...
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-...
65
/ 100
high-risk
Severity 23/34 · High
Exploitability 27/34 · High
Exposure 15/34 · Moderate