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CVE-2025-61505
Date: October 9, 2025
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.
Severity Score
Severity Score
Weakness Type (CWE)
Deserialization of Untrusted Data
CWE-502CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | NONE |
| User Interaction (UI): | NONE |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | LOW |
| Integrity (I): | LOW |
| Availability (A): | NONE |