Details
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Software: Rating-Widget: Star Review System
Version: 2.8.9
Homepage: https://wordpress.org/plugins/rating-widget/
Advisory report: https://advisories.dxw.com/advisories/rating-widget-debug-mode/
CVE: Awaiting assignment
CVSS: 5 (Medium; AV:N/AC:L/Au:N/C:P/I:N/A:N)

Description
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Rating-Widget: Star Review System allows anybody to turn on debug mode and view errors and warnings

Vulnerability
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The plugin allows anybody to turn on debug mode and view errors and warnings. Errors and warnings should be turned off on production sites as they reveal information useful to attackers such as paths, and may give hints as to how themes and plugins are written.

Proof of concept
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Add 1/0; to functions.php in the theme
Enable this plugin
Visit http://localhost/?rwdbg=true
(You may need to view source, depending on the theme)
You will see a PHP warning, including the path to your functions.php file


Mitigations
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Upgrade to version 2.9.0 or later.

Disclosure policy
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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
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2017-10-30: Discovered
2017-11-02: Reported to vendor via email
2017-11-03: Vendor reports it will be fixed in the next release
2017-12-12: Vendor reports issue fixed



Discovered by dxw:
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Tom Adams
Please visit security.dxw.com for more information.