The version of JIRA installed on the remote host is earlier than 6.4.10 and is affected by a flaw as HTTP requests to ‘/EditCustomFieldOptions!default.jspa’ do not require multiple steps, explicit confirmation, or a unique token when performing certain sensitive actions. By tricking a user into following a specially crafted link, a context-dependent attacker can perform a CSRF/XSRF attack causing the victim to add new custom fields.
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