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CVE-2026-39918

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CVE-2026-39918

Published: Apr 20, 2026

Modified: May 8, 2026

PUBLISHED

CVSS v3.1

9.8

CRITICAL

Description

Vvveb prior to 1.0.8.1 contains a code injection vulnerability in the installation endpoint where the subdir POST parameter is written unsanitized into the env.php configuration file without escaping or validation. Attackers can inject arbitrary PHP code by breaking out of the string context in the define statement to achieve unauthenticated remote code execution as the web server user.

VendorProductVersions

givanz

Vvveb

affected
0 - < 1.0.8.1
unaffected
5162c1639130bd080ab63c7d856788cd59d6b3b7

Weaknesses (CWE)

CWE-94

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

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