CVE-2017-14077: Phpcaptcha Securimage

Medium severity, CVSS 6.1. EPSS: 0.8% chance of exploitation in the next 30 days.

HTML Injection in Securimage 3.6.4 and earlier allows remote attackers to inject arbitrary HTML into an e-mail message body via the $_SERVER['HTTP_USER_AGENT'] parameter to example_form.ajax.php or example_form.php.

Affected products

• Phpcaptcha Securimage: up to and including 3.6.4

Published 2017-11-18. Last modified 2026-06-17.