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🔒 Fix Stored XSS via REST API Meta Updates #14

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🔒 Fix Stored XSS via REST API Meta Updates #14

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14 changes: 11 additions & 3 deletions wordpress-plugin/antigravity_cors.php
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Original file line number Diff line number Diff line change
Expand Up @@ -65,7 +65,11 @@ function antigravity_expose_seo_meta() {
return $object['excerpt']['rendered'] ?? '';
},
'update_callback' => function($value, $post, $field_name) {
return wp_update_post(array('ID' => $post->ID, 'post_excerpt' => $value));
if ( ! current_user_can( 'edit_post', $post->ID ) ) {
return new WP_Error( 'rest_cannot_update', 'Sorry, you are not allowed to edit this post.', array( 'status' => rest_authorization_required_code() ) );
}
$sanitized_value = sanitize_textarea_field( $value );
return wp_update_post(array('ID' => $post->ID, 'post_excerpt' => $sanitized_value));
},
'schema' => null,
));
Expand All @@ -78,9 +82,13 @@ function antigravity_expose_seo_meta() {
return get_post_meta($object['id'], 'rank_math_description', true);
},
'update_callback' => function($value, $post, $field_name) {
if ( ! current_user_can( 'edit_post', $post->ID ) ) {
return new WP_Error( 'rest_cannot_update', 'Sorry, you are not allowed to edit this post.', array( 'status' => rest_authorization_required_code() ) );
}
$sanitized_value = sanitize_textarea_field( $value );
// Atualiza ambos para garantir compatibilidade caso você mude de plugin.
update_post_meta($post->ID, '_yoast_wpseo_metadesc', $value);
update_post_meta($post->ID, 'rank_math_description', $value);
update_post_meta($post->ID, '_yoast_wpseo_metadesc', $sanitized_value);
update_post_meta($post->ID, 'rank_math_description', $sanitized_value);
return true;
},
'schema' => null,
Expand Down