CVE-2025-61505
Medium
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.
SeverityMedium
CVSS6.5
Exploit probability—
Product
E107
PublishedOct 10, 2025
First seenOct 10, 2025
Weakness typeCWE-502Deserialization of untrusted data
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| e107 e107 | v ≤ 2.3.3 | — |
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