CVE-2023-50461

Authenticated Backend Configuration Injection in TYPO3 Direct Mail Leading to Arbitrary Code Execution

Published Sep 14, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
An issue was discovered in the direct_mail (aka Direct Mail) extension through 9.5.1 for TYPO3. The Configuration backend module of the extension allows an authenticated user to write to an arbitrary TSConfig page for folders configured as Direct Mail. Exploiting this may lead to Configuration Injection (TYPO3 10.4 and above) and to Arbitrary Code Execution (TYPO3 9.5 and below). A valid backend user account, with access to the Direct Mail Configuration backend module, is needed to exploit this.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-p6xx-fhfw-7mj7 Configuration Injection in extension "Direct Mail" (direct_mail)
History
Type Values Removed Values Added
First Time appeared Typo3
Typo3 direct Mail
Vendors & Products Typo3
Typo3 direct Mail
Type Values Removed Values Added
Title Authenticated Backend Configuration Injection in TYPO3 Direct Mail Leading to Arbitrary Code Execution
Type Values Removed Values Added
Title Direct Mail Extension Configuration Injection Leading to Arbitrary Code Execution in TYPO3
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Direct Mail Extension Configuration Injection Leading to Arbitrary Code Execution in TYPO3
Type Values Removed Values Added
Description An issue was discovered in the direct_mail (aka Direct Mail) extension through 9.5.1 for TYPO3. The Configuration backend module of the extension allows an authenticated user to write to an arbitrary TSConfig page for folders configured as Direct Mail. Exploiting this may lead to Configuration Injection (TYPO3 10.4 and above) and to Arbitrary Code Execution (TYPO3 9.5 and below). A valid backend user account, with access to the Direct Mail Configuration backend module, is needed to exploit this.
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 14, 2026, 4:12 PM
Reserved
Dec 10, 2023, 12:00 AM
Status
Deferred
Published
Sep 14, 2026, 7:17 AM
Modified
Sep 22, 2026, 8:00 PM