CVE-2026-43935 HIGH

CVE-2026-43935: e107: Host Header Injection in e107 password reset enables phishing

Vendor E107Inc
Product e107
Weakness CWE-20 · Input validation
Published May 26, 2026
Last update May 26, 2026
View on NVD All CVEs

CVSS base score

8.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 26, 2026 CVE published
May 26, 2026 Record updated