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CVE-2026-43934— e107: Broken Access Control in e107 comment edit allows cross-user comment modification

CVSS 6.5 · Medium

Possible ATT&CK Techniques 1AI

T1078 · Valid Accounts

Affected Version Matrix 1

VendorProductVersion RangeStatus
e107ince107< 2.3.4affected
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I. Basic Information for CVE-2026-43934

Vulnerability Information
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Vulnerability Title
e107: Broken Access Control in e107 comment edit allows cross-user comment modification
Source: NVD (National Vulnerability Database)
Vulnerability Description
e107 is a content management system (CMS). Prior to 2.3.4, a Broken Access Control vulnerability exists in the application, allowing an unauthorized authenticated user to edit comments posted by others. This stems from inadequate server-side access control validation, where the application depends only on a predictable identifier in the request to determine which comment to edit, without confirming the requesting user’s ownership of the comment. This vulnerability is fixed in 2.3.4.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
访问控制不恰当
Source: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
e107ince107 < 2.3.4 -

II. Public POCs for CVE-2026-43934

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III. Intelligence Information for CVE-2026-43934

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Patches & Fixes for CVE-2026-43934 (1)

Vendor Advisories for CVE-2026-43934 (1)

Same Patch Batch · e107inc · 2026-05-26 · 4 CVEs total

CVE-2026-439358.1 HIGHe107: Host Header Injection in e107 password reset enables phishing
CVE-2026-466206.5 MEDIUMe107: CSRF in comment.php moderation endpoints via token-optional validation in session_ha
CVE-2026-439364.3 MEDIUMe107: Server-Side Request Forgery (SSRF) in the remote file fetcher

IV. Related Vulnerabilities

Same product: e107
Same vendor: e107inc
Same weakness: CWE-284

V. Comments for CVE-2026-43934

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