Details
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Software: Tooltipy (tooltips for WP)
Version: 5.0
Homepage: https://wordpress.org/plugins/bluet-keywords-tooltip-generator/
Advisory report: https://advisories.dxw.com/advisories/xss-in-tooltipy/
CVE: Awaiting assignment
CVSS: 5.8 (Medium; AV:N/AC:M/Au:N/C:P/I:P/A:N)

Description
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Reflected XSS in Tooltipy (tooltips for WP) could allow anybody to do almost anything an admin can

Vulnerability
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Tootipy contains reflected XSS in the [kttg_glossary] shortcode meaning that admin usersa browsers can be hijacked by anybody who sends them a link. The hijacked browser can be made to do almost anything an admin user can normally do.

Proof of concept
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Create a page containing the [kttg_glossary] shortcode
Visit the new page, and add the following to the end of the URL: ?cat=\'><script>alert(1)</script>
Youall see an alert in browsers without XSS prevention such as Firefox

 

Mitigations
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Upgrade to version 5.1 or later.

Disclosure policy
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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
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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:
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Tom Adams
Please visit advisories.dxw.com for more information.