WordPress Tooltipy 5.0 Cross Site Request Forgery

2018.06.13
Credit: Tom Adams
Risk: Low
Local: No
Remote: No
CVE: N/A
CWE: CWE-352

Details ================ Software: Tooltipy (tooltips for WP) Version: 5.0 Homepage: https://wordpress.org/plugins/bluet-keywords-tooltip-generator/ Advisory report: https://advisories.dxw.com/advisories/csrf-in-tooltipy/ CVE: Awaiting assignment CVSS: 4.3 (Medium; AV:N/AC:M/Au:N/C:N/I:P/A:N) Description ================ CSRF in Tooltipy (tooltips for WP) could allow anybody to duplicate posts Vulnerability ================ There is a CSRF vulnerability in Tooltipyas aKTTG Convertera feature which allows anybody able to convince an admin to follow a link to duplicate posts. The PoC provided below allows duplicating every post with post_type post. The most obvious malicious use of this vulnerability would be to fill up a disk or database quota which might lead to denial of service or other issues. Proof of concept ================ Open a page containing the following HTML, and click submit: <form method=\"POST\" action=\"http://localhost/wp-admin/tools.php?page=my_keywords_settings_importer\"> <input type=\"text\" name=\"go\" value=\"true\"> <input type=\"text\" name=\"bluet_posttypes_list\" value=\"post\"> <input type=\"submit\"> </form> Every post with post_type post will have been duplicated. In a real attack, the form can be made to autosubmit. Mitigations ================ Upgrade to version 5.1 or later. Disclosure policy ================ dxw believes in responsible disclosure. Your attention is drawn to our disclosure policy: https://advisories.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 ================ 2018-03-29: Discovered 2018-04-10: Reported to vendor via email (first attempt) 2018-04-30: Asked if theyad received the email, via Facebook private message (second attempt) 2018-05-03: Reported again via contact form (third attempt) 2018-05-18: Reported to plugins@wordpress.org 2018-05-18: WordPress plugin team disabled downloads of the plugin 2018-05-21: Vendor reported a fix has been made for the bug (first contact from vendor) 2018-06-05: Updated version of plugin is now available for download on wordpress.org 2018-06-12: Advisory published Discovered by dxw: ================ Tom Adams Please visit advisories.dxw.com for more information.


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