RedTeam Pentesting discovered a cross site scripting vulnerability in Bugzilla's chart generator during a penetration test. If attackers can persuade users to click on a prepared link or redirected them to such a link from an attacker-controlled website, they are able to run arbitrary JavaScript code in the context of the Bugzilla installation's domain. Versions affected include 2.17.1 to 3.4.12, 3.5.1 to 3.6.6, 3.7.1 to 4.0.2 and 4.1.1 to 4.1.3.
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