CVE-2026-43935: e107: Host Header Injection in e107 password reset enables phishing
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 Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
e107to a version that resolves this vulnerability.Fixed in 2.3.4
Event History
Frequently Asked Questions
What is the severity of CVE-2026-43935?
The severity of CVE-2026-43935 is high with a score of 8.1.
How do I fix CVE-2026-43935?
To fix CVE-2026-43935, update e107 to version 2.3.4 or later.
What type of vulnerability is CVE-2026-43935?
CVE-2026-43935 is a Host Header Injection vulnerability.
What can attackers achieve with CVE-2026-43935?
Attackers can use CVE-2026-43935 to generate password reset links that point to attacker-controlled domains, facilitating phishing attacks.
What software is affected by CVE-2026-43935?
CVE-2026-43935 affects the e107 content management system prior to version 2.3.4.