CVE-2026-43935
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.30%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 8.1 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
- EPSS
- 0.30% probability · 22th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20, CWE-807
- Source
- security-advisories@github.com
References
- https://github.com/e107inc/e107/commit/04511f9f1d6e97c31ba7cc5bf7f1f9a19d221db6
- https://github.com/e107inc/e107/commit/b0dee8234e273debbf7a8ae054de464f1008f357
- https://github.com/e107inc/e107/commit/c4f9f71b0fd695545d0f09e2277b6f70ff4660fc
- https://github.com/e107inc/e107/security/advisories/GHSA-7pmw-jwvr-cq2x
- https://github.com/e107inc/e107/security/advisories/GHSA-7pmw-jwvr-cq2x
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.