# MA-474.042015: MyCERT Advisory - Wordpress Releases Security Update

**Date:** 30 Apr 2015  
**Source:** https://www.mycert.org.my/portal/advisory?id=MA-474.042015  
**Advisory ID:** MA-474.042015

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#### **1.0 Introduction** WordPress 4.2 and prior versions contain critical cross-site scripting vulnerabilities. Exploitation of these vulnerabilities could allow a remote attacker to take control of an affected website. Users and administrators are encouraged to upgrade to Wordpress 4.2.1.
**2.0 Impact**
These update addresses cross site scripting vulnerability that could potentially allow commentators to compromise a site.
**3.0 Affected Products**
- Wordpress users
**4.0 Recommendation**
MyCERT highly recommended users of these applications to upgrade to the latest version of the affected products.
- Wordpress users are highly advice to download latest version of Wordpress available at:
[Download Wordpress](https://wordpress.org/download/)
- Wordpress 4.2.1 has implemented an automatic background update. Click [here](https://wordpress.org/plugins/background-update-tester/) to check either your site is supported with this feature or not.
- Another way is by utilizing the Wordpress interface, in which users can go to “Dashboard > Updates” and click “Update Now”.
Generally, MyCERT advises the users of this software to be updated with the latest security announcements by the vendor and follow best practice security policies to determine which updates should be applied.
For further enquiries, please contact MyCERT through the following channels:
E-mail : [[email protected]](/cdn-cgi/l/email-protection#91f2e8f3f4e3a8a8a8d1f2e8f3f4e3e2f4f2e4e3f8e5e8bffce8) or [[email protected]](/cdn-cgi/l/email-protection#cca1b5afa9beb88ca1b5afa9beb8e2a3beabe2a1b5) 
Phone : 1-300-88-2999 (monitored during business hours)
Fax : +603 89453442 
Handphone : +60 19 2665850 (24x7 call incident reporting)
SMS : CYBER999 REPORT EMAIL COMPLAINT to 15888
Business Hours : Mon - Fri 09:00 AM - 18:00 PM MYT
Web : [https://www.mycert.org.my](https://www.mycert.org.my/)
Twitter : <http://www.twitter.com/mycert>
Facebook: <http://www.facebook.com/mycert.org.my>
Cyber999 Mobile Apps:  [IOS Users](https://itunes.apple.com/my/app/cyber999-mobile-application/id888552400?mt=8&ign-mpt=uo%3D4) or [Android Users](https://play.google.com/store/apps/details?id=my.cyber999.mobile)
**5.0 References**
- <https://www.us-cert.gov/ncas/current-activity/2015/04/27/WordPress-Releases-Security-Update>
- <https://wordpress.org/news/2015/04/wordpress-4-2-1/>
- <https://wordpress.org/plugins/background-update-tester/>