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atlassianSecurity-metrics-botCONFSERVER-54395
HistoryDec 05, 2017 - 4:13 a.m.

XSS through various RSS properties in the RSS macro - CVE-2017-16856

2017-12-0504:13:54
security-metrics-bot
jira.atlassian.com
13

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.001

Percentile

40.6%

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 whichΒ were used as links without restriction on their scheme.
h5. Acknowledgements

Atlassian would like to credit Glenn β€˜devalias’ Grant ([http://devalias.net|http://devalias.net/]) of TSS ([https://dtss.com.au|https://dtss.com.au/]) for reporting this issue to us.

Affected configurations

Vulners
Node
atlassianconfluence_data_centerRange≀6.4.1
OR
atlassianconfluence_data_centerRange<6.5.2
VendorProductVersionCPE
atlassianconfluence_data_center*cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.001

Percentile

40.6%

Related for CONFSERVER-54395