SEPTEMBER 13, 2026
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Case File

CVE-2026-12583

HIGH · CVSS 8.1 EPSS 0.33%

Source: NVD + CISA KEV + EPSS · Published 2026-07-14 · Last synced 2026-08-13

CyberRota Analysis

AI-Generated

The Newsletters WordPress plugin prior to version 4.15 is vulnerable to deserialization of untrusted input, enabling unauthenticated attackers to inject PHP objects through public forms. This flaw allows attackers to write arbitrary files and execute code on the server, posing a significant risk to the integrity and security of affected WordPress installations. Website administrators using this plugin should prioritize updating to the latest version to mitigate potential exploitation.

CVE
CVE-2026-12583
Severity
HIGH
CVSS
8.1
EPSS
0.33%
WordPress

Original NVD Description

The Newsletters WordPress plugin before 4.15 does not prevent deserialization of untrusted input that is stored through a public form, allowing unauthenticated attackers to inject a PHP object and, via a property-oriented gadget chain bundled with the Newsletters WordPress plugin before 4.15, write arbitrary files and execute code on the server.