CVE-2026-77137

Severity CVSS v4.0:

HIGH

Type:

CWE-89 SQL Injection

Publication date:

25/08/2026

Last modified:

26/08/2026

Description

The extension fails to properly sanitize user input before using it in a database query. As a result, a low-privileged backend user can inject arbitrary SQL through a URL parameter within the "Forms Export" backend module. Exploitation requires a low-privileged backend user and read access to the "Forms Export" Backend module.

Impact

Vector 4.0

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVSS v4.0 Severity and Metrics:

Base Score: 7.70 HIGH
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Attack Requirements (AT): Present
Privileges Required (PR): Low
User Interaction (UI): None
Confidentiality (VC): High
Integrity (VI): High
Availability (VA): High
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): None

Base Score 4.0

7.70

Severity 4.0

HIGH

References to Advisories, Solutions, and Tools

https://typo3.org/security/advisory/typo3-ext-sa-2026-027