Insecure Deserialization in Newsletter Manager Plugin for WordPress
CVE-2020-36727

9.8CRITICAL

Key Information:

Vendor

Wordpress
Status
Newsletter Manager
Vendor
CVE Published:
7 June 2023

What is CVE-2020-36727?

The Newsletter Manager plugin for WordPress is affected by a vulnerability that allows for insecure deserialization. This issue arises from unsanitized input being processed through a deserialization function, specifically from the 'customFieldsDetails' parameter. As a result, unauthenticated attackers may exploit this flaw to inject malicious serialized PHP objects, potentially compromising the integrity of WordPress sites that utilize this plugin.

Affected Version(s)

Newsletter Manager * <= 1.5.1

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://blog.nintechnet.com/insecure-deserialization-vuln...
https://wpscan.com/vulnerability/b82124b1-e5e1-4f1e-9513-...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Jerome Bruandet
.