ReCaptcha v2 for Contact Form 7

Processing form data without nonce verification.

$_POST['g-recaptcha-response'] not unslashed before sanitization. Use wp_unslash() or similar

All output should be run through an escaping function (like esc_html_e() or esc_attr_e()), found '_e'.

Processing form data without nonce verification.

Detected usage of a non-sanitized input variable: $_POST['g-recaptcha-response']

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

Detected usage of a possibly undefined superglobal array index: $_POST['wpcf7_recaptcha_network']['secretkey']. Check that the array index exists before using it.

Hook names invoked by a theme/plugin should start with the theme/plugin prefix. Found: "wpcf7_recaptcha_locale".

Functions declared in the global namespace by a theme/plugin should start with the theme/plugin prefix. Found: "wpcf7_recaptcha_response".

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.

Multiple placeholders in translatable strings should be ordered. Expected "%1$s, %2$s", but got "%s, %s" in 'Only when "reCaptcha Version 2" is selected will you need to use the %s shortcode tag in your Contact Form 7 forms. ReCaptcha v3 (Default Usage) does not use a recaptcha shortcode.%sSelect the version of reCaptcha you would like to use:'.

The plugin slug includes a restricted term. Your plugin slug - "wpcf7-recaptcha" - contains the restricted term "wp" which cannot be used at all in your plugin slug.

Function "wp_is_block_theme()" requires WordPress 5.9.0, but your plugin minimum supported version is WordPress 4.9.0.