CVE-2020-36727 describes a critical insecure deserialization vulnerability in the Newsletter Manager plugin for WordPress, affecting versions up to and including 1.5.1. This flaw allows unauthenticated attackers to inject serialized PHP objects due to unsanitized input in the 'customFieldsDetails' parameter. With a CVSS score of 9.8 (CRITICAL), this vulnerability poses a high risk for complete compromise of confidentiality, integrity, and availability, requiring no user interaction or privileges. Despite its severity, there is currently no public exploit code available (Metasploit, Nuclei, ExploitDB), nor is it listed on the KEV catalog, and it has garnered minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.5.1CPE matchmatch criteria | cpe:2.3:a:xyzscripts:newsletter_manager:*:*:-:*:-:wordpress:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.