CVE-2025-61505

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

e107 CMS thru 2.3.3 are vulnerable to insecure deserialization in the `install.php` script. The script processes user-controlled input in the `previous_steps` POST parameter using `unserialize(base64_decode())` without validation, allowing attackers to craft malicious serialized data. This could lead to remote code execution, arbitrary file operations, or denial of service, depending on available PHP object gadgets in the codebase.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Weakness enumeration

CWE-502

Affected software

No affected versions have been published.

Timeline

Published: Oct 10, 2025
Last modified: Jun 17, 2026
NVD status: Analyzed

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