Some vulnerabilities have been reported in Redmine, which can be exploited by malicious people to conduct cross-site scripting and cross-site request forgery attacks.
1) Certain unspecified input 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.
2) The application allows users to perform certain actions via HTTP requests without performing any validity checks to verify the requests. This can be exploited to e.g. delete tickets if a logged-in user visits a malicious web site.
Solution: Update to version 0.8.7 (vulnerability #1 is also fixed in version 0.8.6).
Provided and/or discovered by: JVN credits Yoshinari Fukumoto of Rakuten, Inc.
Original Advisory: http://jvn.jp/en/jp/JVN87341298/index.html
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Subject: Redmine Cross-Site Scripting and Request Forgery Vulnerabilities