General: Use clean WordPress version in `is_wp_version_compatible()`.

Update `is_wp_version_compatible()` to use `wp_get_wp_version()` introduced in [58813] to ensure the value of `$wp_version` has not been modified by a theme or plugin.

Props costdev, mukesh27, Cybr, sergeybiryukov.
Fixes #61781.


Built from https://develop.svn.wordpress.org/trunk@58843


git-svn-id: http://core.svn.wordpress.org/trunk@58239 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/functions.php

@@ -8833,13 +8833,21 @@ function wp_get_wp_version() {
  *
  * @since 5.2.0
  *
- * @global string $wp_version The WordPress version string.
+ * @global string $_wp_tests_wp_version The WordPress version string. Used only in Core tests.
  *
  * @param string $required Minimum required WordPress version.
  * @return bool True if required version is compatible or empty, false if not.
  */
 function is_wp_version_compatible( $required ) {
-	global $wp_version;
+	if (
+		defined( 'WP_RUN_CORE_TESTS' )
+		&& WP_RUN_CORE_TESTS
+		&& isset( $GLOBALS['_wp_tests_wp_version'] )
+	) {
+		$wp_version = $GLOBALS['_wp_tests_wp_version'];
+	} else {
+		$wp_version = wp_get_wp_version();
+	}
 
 	// Strip off any -alpha, -RC, -beta, -src suffixes.
 	list( $version ) = explode( '-', $wp_version );

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.7-alpha-58842';
+$wp_version = '6.7-alpha-58843';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.