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Status published
High
CVE-2025-66055
WordPress Email Subscribers & Newsletters plugin <= 5.9.10 - PHP Object Injection vulnerability
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Ananda Dhakal (Patchstack)
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Affected Vendor
Icegram
View all reports →Affected Software
Email Subscribers & Newsletters
Vulnerable Versions:
0
Timeline
Official Publish:
November 21st, 2025
Last Modified:
April 28th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H