# MA-754.102019: MyCERT Advisory - WordPress Releases Security Update

**Date:** 18 Oct 2019  
**Source:** https://www.mycert.org.my/portal/advisory?id=MA-754.102019  
**Advisory ID:** MA-754.102019

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**1.0 Introduction**
WordPress versions 5.2.3 and earlier are affected by six vulnerabilities: a cross-site scripting vulnerability via Customizer,viewing unauthenticated posts,XSS to inject Javascript into style tags, poison the cache of JSON GET requests via the Vary: Origin header,server-side request forgery in the way that URLs are validated and issues 
**2.0 Impact**
These updates address vulnerabilities that could allow a remote attacker to take control of an affected website.
**3.0 Affected Products**
The affected products are WordPress versions 5.2.3 and earlier versions.
**4.0 Recommendations**
MyCERT highly recommends 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 (5.2.4) which is available at:
<https://wordpress.org/wordpress-5.2.4.zip>
- 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: cyber999[at]cybersecurity.my
Phone: 1-300-88-2999 (monitored during business hours)
Fax: +603 - 8008 7000 (Office Hours)
Mobile: +60 19 2665850 (24x7 call incident reporting)
SMS: CYBER999 REPORT EMAIL COMPLAINT to 15888
Business Hours: Mon - Fri 09:00 -18:00 MYT
Web: <https://www.mycert.org.my>
Twitter: <https://twitter.com/mycert>
Facebook: <https://www.facebook.com/mycert.org.my>
**5.0    References**
- <https://www.us-cert.gov/ncas/current-activity/2019/10/15/wordpress-releases-security-update>
- <https://wordpress.org/news/2019/10/wordpress-5-2-4-security-release/>