CVE-2018-6882 KEV
6.1
MEDIUM · CVSS 3.1 · EPSS 29.8% (pctl 98)
Patch first
On CISA KEV — known exploited in the wild, due 2022-05-10.
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.
Scoring
| CVSS | 6.1 (MEDIUM, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| EPSS | 29.76% — more likely to be exploited than 98% of all CVEs |
| Weakness | CWE-79 |
| On CISA KEV | yes — remediate by 2022-05-10 |
| Public exploit | none known |
| Published | 2018-03-27 |
| Last modified | 2026-08-13 |
CISA KEV
| Name | Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability |
|---|---|
| Added | 2022-04-19 |
| Due | 2022-05-10 |
| Vendor / product | Synacor / Zimbra Collaboration Suite (ZCS) |
| Ransomware use | known |
Affected (1)
| Vendor | Product |
|---|---|
| synacor | zimbra collaboration suite |
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
- 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
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-6882
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