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Vulnerability Details :

CVE-2018-6882

Assigner-mitre

Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca

Published At-27 Mar, 2018 | 16:00

Updated At-30 Jul, 2025 | 01:46

Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability

Synacor Zimbra Collaboration Suite (ZCS) contains a cross-site scripting vulnerability that might allow remote attackers to inject arbitrary web script or HTML.

EPSS History

Score

Latest Score

N/A

Percentile

Latest Percentile

N/A

▼Known Exploited Vulnerabilities (KEV)

cisa.gov

Vendor:

Synacor, Inc.

Product:Zimbra Collaboration Suite (ZCS)

Added At:19 Apr, 2022

Due At:10 May, 2022

Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability

Synacor Zimbra Collaboration Suite (ZCS) contains a cross-site scripting vulnerability that might allow remote attackers to inject arbitrary web script or HTML.

Used in Ransomware

Known

CWE

CWE-79

Required Action:

Apply updates per vendor instructions.

Additional Notes:

https://nvd.nist.gov/vuln/detail/CVE-2018-6882

▼Common Vulnerabilities and Exposures (CVE)

cve.org

Assigner:mitre

Assigner Org ID:8254265b-2729-46b6-b9e3-3dfca2d5bfca

Published At:27 Mar, 2018 | 16:00

Updated At:30 Jul, 2025 | 01:46

▼CVE Numbering Authority (CNA)

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.

Affected Products

Vendor

n/a

Product

n/a

Versions

Affected

Problem Types

Type	CWE ID	Description
text	N/A	n/a

Type: text

CWE ID: N/A

Description: n/a

References

Hyperlink	Resource
http://seclists.org/fulldisclosure/2018/Mar/52	mailing-list x_refsource_FULLDISC
https://www.securify.nl/advisory/SFY20180101/cross-site-scripting-vulnerability-in-zimbra-collaboration-suite-due-to-the-way-it-handles-attachment-links.html	x_refsource_MISC
https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.7	x_refsource_CONFIRM
https://bugzilla.zimbra.com/show_bug.cgi?id=108786	x_refsource_CONFIRM
http://www.securityfocus.com/archive/1/541891/100/0/threaded	mailing-list x_refsource_BUGTRAQ
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories	x_refsource_CONFIRM

Hyperlink: http://seclists.org/fulldisclosure/2018/Mar/52

Resource:

mailing-list

x_refsource_FULLDISC

Hyperlink: https://www.securify.nl/advisory/SFY20180101/cross-site-scripting-vulnerability-in-zimbra-collaboration-suite-due-to-the-way-it-handles-attachment-links.html

Resource:

x_refsource_MISC

Hyperlink: https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.7

Resource:

x_refsource_CONFIRM

Hyperlink: https://bugzilla.zimbra.com/show_bug.cgi?id=108786

Resource:

x_refsource_CONFIRM

Hyperlink: http://www.securityfocus.com/archive/1/541891/100/0/threaded

Resource:

mailing-list

x_refsource_BUGTRAQ

Hyperlink: https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories

Resource:

x_refsource_CONFIRM

▼Authorized Data Publishers (ADP)

1. CVE Program Container

References

Hyperlink	Resource
http://seclists.org/fulldisclosure/2018/Mar/52	mailing-list x_refsource_FULLDISC x_transferred
https://www.securify.nl/advisory/SFY20180101/cross-site-scripting-vulnerability-in-zimbra-collaboration-suite-due-to-the-way-it-handles-attachment-links.html	x_refsource_MISC x_transferred
https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.7	x_refsource_CONFIRM x_transferred
https://bugzilla.zimbra.com/show_bug.cgi?id=108786	x_refsource_CONFIRM x_transferred
http://www.securityfocus.com/archive/1/541891/100/0/threaded	mailing-list x_refsource_BUGTRAQ x_transferred
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories	x_refsource_CONFIRM x_transferred

Hyperlink: http://seclists.org/fulldisclosure/2018/Mar/52

Resource:

mailing-list

x_refsource_FULLDISC

x_transferred

Hyperlink: https://www.securify.nl/advisory/SFY20180101/cross-site-scripting-vulnerability-in-zimbra-collaboration-suite-due-to-the-way-it-handles-attachment-links.html

Resource:

x_refsource_MISC

x_transferred

Hyperlink: https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.7

Resource:

x_refsource_CONFIRM

x_transferred

Hyperlink: https://bugzilla.zimbra.com/show_bug.cgi?id=108786

Resource:

x_refsource_CONFIRM

x_transferred

Hyperlink: http://www.securityfocus.com/archive/1/541891/100/0/threaded

Resource:

mailing-list

x_refsource_BUGTRAQ

x_transferred

Hyperlink: https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories

Resource:

x_refsource_CONFIRM

x_transferred

2. CISA ADP Vulnrichment

Problem Types

Type	CWE ID	Description
CWE	CWE-79	CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Type: CWE

CWE ID: CWE-79

Description: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Metrics

Version	Base score	Base severity	Vector
3.1	6.1	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Version: 3.1

Base score: 6.1

Base severity: MEDIUM

Vector:

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Metrics Other Info

kev

dateAdded:

2022-04-19

reference:

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-6882

Timeline

Event	Date
CVE-2018-6882 added to CISA KEV	2022-04-19 00:00:00

Event: CVE-2018-6882 added to CISA KEV

Date: 2022-04-19 00:00:00

▼National Vulnerability Database (NVD)

nvd.nist.gov

Source:cve@mitre.org

Published At:27 Mar, 2018 | 16:29

Updated At:15 Aug, 2025 | 20:22

CISA Catalog

Date Added	Due Date	Vulnerability Name	Required Action
2022-04-19	2022-05-10	Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability	Apply updates per vendor instructions.

Date Added: 2022-04-19

Due Date: 2022-05-10

Vulnerability Name: Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability

Required Action: Apply updates per vendor instructions.

Metrics

Type	Version	Base score	Base severity	Vector
Primary	3.1	6.1	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Secondary	3.1	6.1	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Primary	2.0	4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:P/A:N

Type: Primary

Version: 3.1

Base score: 6.1

Base severity: MEDIUM

Vector:

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Type: Secondary

Version: 3.1

Base score: 6.1

Base severity: MEDIUM

Vector:

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Type: Primary

Version: 2.0

Base score: 4.3

Base severity: MEDIUM

Vector:

AV:N/AC:M/Au:N/C:N/I:P/A:N

CPE Matches

Synacor, Inc.

>>zimbra_collaboration_suite>>Versions before 8.7.0(exclusive)

cpe:2.3:a:synacor:zimbra_collaboration_suite:*:*:*:*:*:*:*:*

Synacor, Inc.

>>zimbra_collaboration_suite>>8.7.0

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.0:-:*:*:*:*:*:*

Synacor, Inc.

>>zimbra_collaboration_suite>>8.8.0

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.0:*:*:*:*:*:*:*

Synacor, Inc.

>>zimbra_collaboration_suite>>8.8.1

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.1:*:*:*:*:*:*:*

Synacor, Inc.

>>zimbra_collaboration_suite>>8.8.2

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.2:*:*:*:*:*:*:*

Synacor, Inc.

>>zimbra_collaboration_suite>>8.8.3

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.3:*:*:*:*:*:*:*

Synacor, Inc.

>>zimbra_collaboration_suite>>8.8.4

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.4:*:*:*:*:*:*:*

Synacor, Inc.

>>zimbra_collaboration_suite>>8.8.5

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.5:*:*:*:*:*:*:*

Synacor, Inc.

>>zimbra_collaboration_suite>>8.8.6

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.6:*:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
CWE-79	Primary	nvd@nist.gov
CWE-79	Secondary	134c704f-9b21-4f2e-91b3-4a467353bcc0

CWE ID: CWE-79

Type: Primary

Source: nvd@nist.gov

CWE ID: CWE-79

Type: Secondary

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

References

Hyperlink	Source	Resource
http://seclists.org/fulldisclosure/2018/Mar/52	cve@mitre.org	Mailing List Third Party Advisory
http://www.securityfocus.com/archive/1/541891/100/0/threaded	cve@mitre.org	Broken Link Third Party Advisory VDB Entry
https://bugzilla.zimbra.com/show_bug.cgi?id=108786	cve@mitre.org	Issue Tracking Permissions Required
https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.7	cve@mitre.org	Permissions Required
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories	cve@mitre.org	Vendor Advisory
https://www.securify.nl/advisory/SFY20180101/cross-site-scripting-vulnerability-in-zimbra-collaboration-suite-due-to-the-way-it-handles-attachment-links.html	cve@mitre.org	Exploit Third Party Advisory
http://seclists.org/fulldisclosure/2018/Mar/52	af854a3a-2127-422b-91ae-364da2661108	Mailing List Third Party Advisory
http://www.securityfocus.com/archive/1/541891/100/0/threaded	af854a3a-2127-422b-91ae-364da2661108	Broken Link Third Party Advisory VDB Entry
https://bugzilla.zimbra.com/show_bug.cgi?id=108786	af854a3a-2127-422b-91ae-364da2661108	Issue Tracking Permissions Required
https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.7	af854a3a-2127-422b-91ae-364da2661108	Permissions Required
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories	af854a3a-2127-422b-91ae-364da2661108	Vendor Advisory
https://www.securify.nl/advisory/SFY20180101/cross-site-scripting-vulnerability-in-zimbra-collaboration-suite-due-to-the-way-it-handles-attachment-links.html	af854a3a-2127-422b-91ae-364da2661108	Exploit Third Party Advisory

Hyperlink: http://seclists.org/fulldisclosure/2018/Mar/52

Source: cve@mitre.org

Resource:

Mailing List

Third Party Advisory

Hyperlink: http://www.securityfocus.com/archive/1/541891/100/0/threaded

Source: cve@mitre.org

Resource:

Broken Link

Third Party Advisory

VDB Entry

Hyperlink: https://bugzilla.zimbra.com/show_bug.cgi?id=108786

Source: cve@mitre.org

Resource:

Issue Tracking

Permissions Required

Hyperlink: https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.7

Source: cve@mitre.org

Resource:

Permissions Required

Hyperlink: https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories

Source: cve@mitre.org

Resource:

Vendor Advisory

Hyperlink: https://www.securify.nl/advisory/SFY20180101/cross-site-scripting-vulnerability-in-zimbra-collaboration-suite-due-to-the-way-it-handles-attachment-links.html

Source: cve@mitre.org

Resource:

Exploit

Third Party Advisory

Hyperlink: http://seclists.org/fulldisclosure/2018/Mar/52