CVE-2017-16856

Summary

CVECVE-2017-16856
StatePUBLISHED
Assigneratlassian
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-12-05 16:29:00 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionThe RSS Feed macro in Atlassian Confluence before version 6.5.2 allows remote attackers to inject arbitrary HTML or JavaScript via cross site scripting (XSS) vulnerabilities in various rss properties which were used as links without restriction on their scheme.

Risk And Classification

Primary CVSS: v3.0 6.1 MEDIUM from [email protected]

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.001870000 probability, percentile 0.402350000 (date 2026-05-15)

Problem Types: CWE-79 | Cross Site Scripting (XSS)


VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary6.1MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
2.0[email protected]Primary4.3AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Atlassian Confluence All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Atlassian Confluence affected All versions prior to version 6.5.2 Not specified

References

ReferenceSourceLinkTags
Atlassian Confluence CVE-2017-16856 Multiple Cross Site Scripting Vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
[CONFSERVER-54395] XSS through various RSS properties in the RSS macro - CVE-2017-16856 - Create and track feature requests for Atlassian products. af854a3a-2127-422b-91ae-364da2661108 jira.atlassian.com Issue Tracking, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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