Medium severity · published Dec 5, 2017
CVE-2017-16856
The 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…
6.1
CVSS
0.8%
EPSS
No
On KEV
Description
The 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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CO
Confluence · Atlassian
before 6.5.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-16856
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-16856
Third Party Advisory
http://www.securityfocus.com/bid/102094
Issue Tracking
https://jira.atlassian.com/browse/CONFSERVER-54395
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