Vulnerability Details : 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 various rss properties which were used as links without restriction on their scheme.
Vulnerability category: Cross site scripting (XSS)
Exploit prediction scoring system (EPSS) score for CVE-2017-16856
Probability of exploitation activity in the next 30 days: 0.10%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 40 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2017-16856
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST |
|
6.1
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
NIST |
CWE ids for CVE-2017-16856
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-16856
-
http://www.securityfocus.com/bid/102094
Atlassian Confluence CVE-2017-16856 Multiple Cross Site Scripting VulnerabilitiesThird Party Advisory;VDB Entry
-
https://jira.atlassian.com/browse/CONFSERVER-54395
[CONFSERVER-54395] XSS through various RSS properties in the RSS macro - CVE-2017-16856 - Create and track feature requests for Atlassian products.Issue Tracking;Vendor Advisory
Products affected by CVE-2017-16856
- cpe:2.3:a:atlassian:confluence:*:*:*:*:*:*:*:*