An advisory has been issued about a high-severity WordPress vulnerability that makes it possible for attackers to inject arbitrary shortcodes into sites using the WordPress Popular Posts plugin.

WordPress upgraded to 4.3.1, patching a pair of vulnerabilities in the core engine, including a cross-site scripting issue enabled by a vulnerability in shortcodes. WordPress core engine security ...

The plug-in’s default settings spawned flaws that could allow for full site takeover but have since been fixed in an update that users should immediately install, Wordfence researchers said. Tens of ...