| Package | Affected versions | Patched versions |
|---|---|---|
| formmail.php | = 2.0= 5.0 |
The check_referer() function in Formmail.php 5.0 and earlier allows remote attackers to bypass access restrictions via an empty or spoofed HTTP Referer, as demonstrated using an application on the same web server that contains a cross-site scripting (XSS) issue.
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