e107: Host Header Injection in e107 password reset enables phishing

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Summary

CVECVE-2026-43935
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-26 16:16:25 UTC
Updated2026-05-26 19:26:42 UTC
Descriptione107 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.

Risk And Classification

Primary CVSS: v3.1 8.1 HIGH from [email protected]

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

EPSS: 0.001340000 probability, percentile 0.326780000 (date 2026-05-29)

Problem Types: CWE-20 | CWE-807 | CWE-20 CWE-20: Improper Input Validation | CWE-807 CWE-807: Reliance on Untrusted Inputs in a Security Decision

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary8.1HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
3.1CNADECLARED8.1HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA E107inc E107 affected < 2.3.4 Not specified

References

ReferenceSourceLinkTags
github.com/e107inc/e107/commit/04511f9f1d6e97c31ba7cc5bf7f1f9a19d221db6 [email protected] github.com
github.com/e107inc/e107/commit/b0dee8234e273debbf7a8ae054de464f1008f357 [email protected] github.com
github.com/e107inc/e107/security/advisories/GHSA-7pmw-jwvr-cq2x 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
github.com/e107inc/e107/commit/c4f9f71b0fd695545d0f09e2277b6f70ff4660fc [email protected] github.com
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