Software: MailChimp for WordPress
Advisory report: https://security.dxw.com/advisories/reflected-xss-in-mailchimp-for-wordpress-could-allow-an-attacker-to-do-almost-anything-an-admin-user-can/
CVE: Awaiting assignment
CVSS: 5.8 (Medium; AV:N/AC:M/Au:N/C:P/I:P/A:N)
Reflected XSS in MailChimp for WordPress could allow an attacker to do almost anything an admin user can
Proof of concept
Assuming you have the site running on http://localhost/ with the plugin activated, visit this URL in a browser without reflected XSS mitigation measures (i.e. Firefox):
Update to versionA 4.0.11 or later.
dxw believes in responsible disclosure. Your attention is drawn to our disclosure policy: https://security.dxw.com/disclosure/
Please contact us on firstname.lastname@example.org to acknowledge this report if you received it via a third party (for example, email@example.com) as they generally cannot communicate with us on your behalf.
This vulnerability will be published if we do not receive a response to this report with 14 days.
2016-12-07: Reported toA firstname.lastname@example.org
2016-12-07: Requested CVE
2016-12-07: Vendor first replied
2016-12-09: Vendor reported fixed inA 4.0.11
2016-12-13: Advisory published
Discovered by dxw:
Please visit security.dxw.com for more information.