CVE-2026-43935: e107inc e107

High severity, CVSS 8.1. EPSS: 0.5% chance of exploitation in the next 30 days.

e107 is a content management system (CMS). Prior to 2.3.4, a Host Header Injection vulnerability in the password reset page allows attackers to manipulate the Host header to generate password reset links pointing to attacker-controlled domains. This can lead to phishing attacks, account takeover, or other security risks. The severity is high, as the vulnerability affects a critical function related to user authentication. This vulnerability is fixed in 2.3.4.

Affected products

• e107inc e107: before 2.3.4 (fixed in 2.3.4)

Published 2026-05-26. Last modified 2026-07-24.