CVE-2018-6882
Last modified
CVE-2018-6882 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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.. CISA has confirmed active exploitation in the wild. EPSS estimates a 23.72% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Synacor | Zimbra Collaboration Suite | < 8.7.0 |
| Synacor | Zimbra Collaboration Suite | 8.7.0 |
| Synacor | Zimbra Collaboration Suite | 8.8.0 |
| Synacor | Zimbra Collaboration Suite | 8.8.1 |
| Synacor | Zimbra Collaboration Suite | 8.8.2 |
| Synacor | Zimbra Collaboration Suite | 8.8.3 |
| Synacor | Zimbra Collaboration Suite | 8.8.4 |
| Synacor | Zimbra Collaboration Suite | 8.8.5 |
| Synacor | Zimbra Collaboration Suite | 8.8.6 |
References
- http://seclists.org/fulldisclosure/2018/Mar/52Mailing List, Third Party Advisory
- http://www.securityfocus.com/archive/1/541891/100/0/threadedBroken Link, Third Party Advisory, VDB Entry
- https://bugzilla.zimbra.com/show_bug.cgi?id=108786Broken Link, Issue Tracking, Permissions Required
- https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.7Permissions Required
- https://wiki.zimbra.com/wiki/Zimbra_Security_AdvisoriesVendor Advisory
- http://seclists.org/fulldisclosure/2018/Mar/52Mailing List, Third Party Advisory
- http://www.securityfocus.com/archive/1/541891/100/0/threadedBroken Link, Third Party Advisory, VDB Entry
- https://bugzilla.zimbra.com/show_bug.cgi?id=108786Broken Link, Issue Tracking, Permissions Required
- https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.7Permissions Required
- https://wiki.zimbra.com/wiki/Zimbra_Security_AdvisoriesVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-6882US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
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