CVE-2017-5963: Caddy Project Caddy

Medium severity, CVSS 6.1. EPSS: 1% chance of exploitation in the next 30 days.

An issue was discovered in caddy (for TYPO3) before 7.2.10. The vulnerability exists due to insufficient filtration of user-supplied data in the "paymillToken" HTTP POST parameter passed to the "caddy/Resources/Public/JavaScript/e-payment/paymill/api/php/payment.php" URL. An attacker could execute arbitrary HTML and script code in a browser in the context of the vulnerable website.

Affected products

• Caddy Project Caddy: version 2.1.4 only; version 2.1.5 only; version 2.1.6 only; version 3.0.0 only; version 4.0.0 only; version 4.0.1 only; …

Published 2017-02-12. Last modified 2026-06-17.