CVE-2020-36727

Newsletter Manager <= 1.5.1 - Insecure Deserialization

Published Jun 7, 2023 CVSS 3.1 · 9.8 Critical EPSS 1.6% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2020-24169 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.
History
Type Values Removed Values Added
Title Newsletter Manager <= 1.5.1 - Insecure Deserialization
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Wordfence
Published
Updated
Apr 8, 2026, 5:27 PM
Reserved
Jun 6, 2023, 1:21 PM
Status
Modified
Published
Jun 7, 2023, 2:15 AM
Modified
Jun 17, 2026, 3:16 AM