Vulnerability · Published Nov 21, 2025 · Assigned by Patchstack

CVE-2025-66055WordPress Email Subscribers & Newsletters plugin <= 5.9.10 - PHP Object Injection vulnerability

High 7.2

In plain English

A high-severity unsafe deserialization in Email Subscribers & Newsletters from Icegram. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).

Severity (CVSS 3.1)7.2High
Exploit odds (30 days)0.5%top 59.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Deserialization of Untrusted Data vulnerability in Icegram Email Subscribers & Newsletters email-subscribers allows Object Injection.This issue affects Email Subscribers & Newsletters: from n/a through <= 5.9.10.

Affected products (as reported)

VendorProductVersions
Icegram Email Subscribers & Newsletters 0 – through 5.9.10

Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References