Multiple vulnerabilities have been reported in Atlassian JIRA, which can be exploited by malicious users to conduct script insertion attacks and by malicious people to conduct cross-site scripting attacks.

1) Certain unspecified input related to the JIRA administration interface when managing JIRA Bamboo plugin settings is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.

This vulnerability is reported in versions 4.3.x.

2) Certain unspecified input related to issue links and issue labels is not properly sanitised before being used. This can be exploited to insert arbitrary HTML and script code, which will be executed in a user's browser session in context of an affected site when the malicious data is being viewed.

These vulnerabilities are reported in versions 4.1.x through 4.3.x.

Solution
Update to version 4.4.

Provided and/or discovered by
1) The vendor credits Dave B.
2) Reported by the vendor.

Original Advisory
http://confluence.atlassian.com/display/JIRA/JIRA+Security+Advisory+2011-09-27
https://jira.atlassian.com/browse/JRA-24773

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