CVE-2026-43935CWE-20CWE-807

e107: Host Header Injection in e107 password reset enables phishing

High · published May 26, 2026

CVSS v3.1
8.1
EPSS
1%
Percentile
45.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00548 · 45.1th percentile
Weaknesses
CWE-20 · Improper Input Validation; CWE-807 · Reliance on Untrusted Inputs in a Security Decision
Published
2026-05-26T15:01Z
EPSS history
Timeline
  • 26 MAY 15:01Z
    e107: Host Header Injection in e107 password reset enables phishing
    cvelistv5