CVE-2026-43935

HIGH

e107: Host Header Injection in e107 password reset enables phishing

Title source: cna
STIX 2.1

Description

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.

References (4)

Core 4

Scores

CVSS v3 8.1
EPSS 0.0030
EPSS Percentile 21.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-20 CWE-807
Status published
Products (1)
e107inc/e107 < 2.3.4
Published May 26, 2026
Tracked Since May 26, 2026