CVE-2017-16856

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.20%
Vendor Advisory atlassian.com
Affected: Atlassian Confluence
Published at:
Updated at:

References

Link Tags
https://jira.atlassian.com/browse/CONFSERVER-54395 vendor advisory issue tracking
http://www.securityfocus.com/bid/102094 third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2017-16856?
CVE-2017-16856 has been scored as a medium severity vulnerability.
How to fix CVE-2017-16856?
To fix CVE-2017-16856, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-16856 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-16856 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-16856?
CVE-2017-16856 affects Atlassian Confluence.
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