CVE-2018-6882
Summary
| CVE | CVE-2018-6882 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2018-03-27 16:29:00 UTC |
| Updated | 2026-08-13 05:17:18 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 6.1 MEDIUM from [email protected]
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.254200000 probability, percentile 0.977560000 (date 2026-08-12)
CISA KEV: Listed on 2022-04-19; due 2022-05-10; ransomware use Known
Problem Types: CWE-79 | n/a | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 6.1 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| 3.1 | ADP | DECLARED | 6.1 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| 3.1 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary | 6.1 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| 2.0 | [email protected] | Primary | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
RequiredScope
ChangedConfidentiality
LowIntegrity
LowAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
MediumAuthentication
NoneConfidentiality
NoneIntegrity
PartialAvailability
NoneAV:N/AC:M/Au:N/C:N/I:P/A:N
CISA Known Exploited Vulnerability
| Vendor | Synacor |
|---|---|
| Product | Zimbra Collaboration Suite (ZCS) |
| Name | Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability |
| Required Action | Apply updates per vendor instructions. |
| Notes | https://nvd.nist.gov/vuln/detail/CVE-2018-6882 |
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Synacor | Zimbra Collaboration Suite | All | All | All | All |
| Application | Synacor | Zimbra Collaboration Suite | 8.7.0 | - | All | All |
| Application | Synacor | Zimbra Collaboration Suite | 8.8.0 | All | All | All |
| Application | Synacor | Zimbra Collaboration Suite | 8.8.1 | All | All | All |
| Application | Synacor | Zimbra Collaboration Suite | 8.8.2 | All | All | All |
| Application | Synacor | Zimbra Collaboration Suite | 8.8.3 | All | All | All |
| Application | Synacor | Zimbra Collaboration Suite | 8.8.4 | All | All | All |
| Application | Synacor | Zimbra Collaboration Suite | 8.8.5 | All | All | All |
| Application | Synacor | Zimbra Collaboration Suite | 8.8.6 | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Zimbra Releases/8.8.7 - Zimbra :: Tech Center | af854a3a-2127-422b-91ae-364da2661108 | wiki.zimbra.com | Permissions Required |
| SecurityFocus | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | Broken Link, Third Party Advisory, VDB Entry |
| Cross-Site Scripting vulnerability in Zimbra Collaboration Suite due to the way it handles attachment links | af854a3a-2127-422b-91ae-364da2661108 | www.securify.nl | Exploit, Third Party Advisory |
| Access Denied | af854a3a-2127-422b-91ae-364da2661108 | bugzilla.zimbra.com | Broken Link, Issue Tracking, Permissions Required |
| www.cisa.gov/known-exploited-vulnerabilities-catalog | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | www.cisa.gov | US Government Resource |
| wiki.zimbra.com/wiki/Zimbra_Security_Advisories | af854a3a-2127-422b-91ae-364da2661108 | wiki.zimbra.com | Vendor Advisory |
| Full Disclosure: Cross-Site Scripting vulnerability in Zimbra Collaboration Suite due to the way it handles attachment links | af854a3a-2127-422b-91ae-364da2661108 | seclists.org | Mailing List, Third Party Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
| CISA Known Exploited Vulnerabilities catalog | CISA | www.cisa.gov | kev |
No vendor comments have been submitted for this CVE.
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| ADP | 2022-04-19T00:00:00.000Z | CVE-2018-6882 added to CISA KEV |
Legacy QID Mappings
- 376708 Zimbra Collaboration Suite Cross-Site Scripting (XSS) Vulnerability