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Make background attribute pattern match more precise, see #1877

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This commit is contained in:
Marcus Bointon 2019-10-30 18:21:19 +01:00
parent 4e9a7614ce
commit a7c75c6328
1 changed files with 1 additions and 1 deletions
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2
src/PHPMailer.php
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@ -3975,7 +3975,7 @@ class PHPMailer
*/
public function msgHTML($message, $basedir = '', $advanced = false)
{
preg_match_all('/(src|background)=["\'](.*)["\']/Ui', $message, $images);
preg_match_all('/\s(src|background)=["\'](.*)["\']/Ui', $message, $images);
if (array_key_exists(2, $images)) {
if (strlen($basedir) > 1 && '/' !== substr($basedir, -1)) {
// Ensure $basedir has a trailing /