This attack could pose a serious security threat. You should take immediate action to stop any damage or prevent further damage from happening.
This signature detects attempts to exploit a XSS vulnerability in WordPress Yellow Pencil Visual Theme Customizer Plugin.
Wordpress Yellow Pencil Visual Theme Customizer Plugin lets users customise any page and theme without coding. It suffers from a XSS vulnerability that can be exploited to insert malicious data on the website running the vulnerable version of the plugin.
- All versions of the plugin
The plugin should be uninstalled immediately