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Global variables defined by a theme/plugin should start with the theme/plugin prefix. Found: "$wpmu_host".

All output should be run through an escaping function (see the Security sections in the WordPress Developer Handbooks), found 'WP_SMUSH_URL'.

A function call to esc_html__() with texts containing placeholders was found, but was not accompanied by a "translators:" comment on the line above to clarify the meaning of the placeholders.

All output should be run through an escaping function (see the Security sections in the WordPress Developer Handbooks), found 'WP_SMUSH_URL'.

All output should be run through an escaping function (see the Security sections in the WordPress Developer Handbooks), found 'WP_SMUSH_URL'.

All output should be run through an escaping function (see the Security sections in the WordPress Developer Handbooks), found 'WP_SMUSH_URL'.

All output should be run through an escaping function (see the Security sections in the WordPress Developer Handbooks), found 'WP_SMUSH_URL'.

Mismatched text domain. Expected 'wp-smushit' but got 'plugin-cross-sell-textdomain'.

Mismatched text domain. Expected 'wp-smushit' but got 'plugin-cross-sell-textdomain'.

Mismatched text domain. Expected 'wp-smushit' but got 'plugin-cross-sell-textdomain'.