CVE-2020-36727
Newsletter Manager <= 1.5.1 - Insecure Deserialization
CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th
The Newsletter Manager plugin for WordPress is vulnerable to insecure deserialization in versions up to, and including, 1.5.1. This is due to unsanitized input from the 'customFieldsDetails' parameter being passed through a deserialization function. This potentially makes it possible for unauthenticated attackers to inject a serialized PHP object.
| CWE | CWE-502 |
| Vendor | f1logic |
| Product | newsletter manager |
| Published | Jun 7, 2023 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
f1logic / Newsletter Manager
0 ≤ 1.5.1
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/dcfd8c4d-d48b-468d-a7d5-1ec05b068f79?source=cve blog.nintechnet.com: https://blog.nintechnet.com/insecure-deserialization-vulnerability-in-wordpress-newsletter-manager-plugin-unpatched/ wpscan.com: https://wpscan.com/vulnerability/b82124b1-e5e1-4f1e-9513-90474fd3f066
Credits
Jerome Bruandet