WordPress 4.2.2 is currently readily available. This is a crucial protection launch for all previous variations and also we highly motivate you to upgrade your websites promptly.
Variation 4.2.2 addresses 2 protection problems:
- The Genericons symbol font style plan, which is utilized in a variety of preferred styles and also plugins, included an HTML data susceptible to a cross-site scripting strike. All influenced styles and also plugins organized on WordPress.org ( consisting of the Twenty Fifteen default style) have actually been upgraded today by the WordPress protection group to resolve this problem by eliminating this inessential data. To assist shield various other Genericons use, WordPress 4.2.2 proactively checks the wp-content directory site for this HTML data and also eliminates it. Reported by Robert Abela of Netsparker.
- WordPress variations 4.2 and also earlier are influenced by a critical cross-site scripting vulnerability, which can allow confidential customers to jeopardize a website. WordPress 4.2.2 consists of an extensive solution for this problem. Reported individually by Rice Adu and also Tong Shi from Baidu[X-team]
The launch additionally consists of solidifying for a possible cross-site scripting susceptability when making use of the aesthetic editor. This problem was reported by Mahadev Subedi.
Our many thanks to those that have actually exercised responsible disclosure of protection problems.
Download WordPress 4.2.2 or endeavor over to Control panel → Updates and also just click “Update Currently.” Websites that sustain automated history updates are currently starting to upgrade to WordPress 4.2.2.
Many thanks to everybody that added to 4.2.2:
Aaron Jorbin, Andrew Ozz, Andrew Nacin, Boone Gorges, Dion Hulse, Ella Iseulde Van Dorpe, Gary Pendergast, Hinaloe, Jeremy Felt, John James Jacoby, Konstantin Kovshenin, Mike Adams, Nikolay Bachiyski, taka2, and also willstedt.