Is CVE-2018-6882 actively exploited?

CVE-2018-6882 has no public evidence of in-the-wild exploitation as of 2025-11-04.

What is the CVSS score for CVE-2018-6882?

CVE-2018-6882 has a CVSS score of 6.1 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

How do I patch CVE-2018-6882?

Patch guidance is available from synacor security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2018-6882.

CVE-2018-6882 - remediation guidance & executive summary

Q: Which products are affected by CVE-2018-6882?

9 products: synacor zimbra collaboration suite, synacor zimbra collaboration suite, synacor zimbra collaboration suite, synacor zimbra collaboration suite, synacor zimbra collaboration suite, and 4 more.

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector: network
Complexity: low
Privileges: none
User Action: required
Scope: changed
Confidentiality: low
Integrity: low
Availability: none
Weaknesses: CWE-79 · Cross-site Scripting (XSS)CWE-79 · Cross-site Scripting (XSS)

Metadata

Primary Vendor: SYNACOR
Published: 3/27/2018
Last Modified: 11/4/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

synacor : zimbra_collaboration_suitesynacor : zimbra_collaboration_suitesynacor : zimbra_collaboration_suitesynacor : zimbra_collaboration_suitesynacor : zimbra_collaboration_suitesynacor : zimbra_collaboration_suitesynacor : zimbra_collaboration_suitesynacor : zimbra_collaboration_suitesynacor : zimbra_collaboration_suite

Remediation Guidance

Executive Summary

View on NIST NVD