Mailman versions 1.x up through 2.1.23 suffer from a cross site scripting vulnerability.
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Red Hat Security Advisory 2018-0505-01 - Mailman is a program used to help manage e-mail discussion lists. A cross site scripting vulnerability was addressed.
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Red Hat Security Advisory 2018-0504-01 - Mailman is a program used to help manage e-mail discussion lists. A cross site scripting issue was addressed.
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Debian Linux Security Advisory 4108-1 - Calum Hutton and the Mailman team discovered a cross site scripting and information leak vulnerability in the user options page. A remote attacker could use a crafted URL to steal cookie information or to fish for whether a user is subscribed to a list with a private roster.
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Ubuntu Security Notice 3563-1 - It was discovered that Mailman incorrectly handled certain web scripts. An attacker could possibly use this to inject arbitrary code.
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