CVE-2025-48101

WordPress Constant Contact for WordPress Plugin <= 4.1.1 - PHP Object Injection Vulnerability

Published Sep 9, 2025 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
Deserialization of Untrusted Data vulnerability in webdevstudios Constant Contact for WordPress allows Object Injection. This issue affects Constant Contact for WordPress: from n/a through 4.1.1.

Remediation

Vendor Solution

No patched version is available. This plugin has been closed as of August 26, 2025 and is not available for download. This closure is permanent. Reason: Author Request.

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2025-27457 Deserialization of Untrusted Data vulnerability in webdevstudios Constant Contact for WordPress allows Object Injection. This issue affects Constant Contact for WordPress: from n/a through 4.1.1.
History
Type Values Removed Values Added
Description Deserialization of Untrusted Data vulnerability in webdevstudios Constant Contact for WordPress constant-contact-api allows Object Injection.This issue affects Constant Contact for WordPress: from n/a through <= 4.1.1. Deserialization of Untrusted Data vulnerability in webdevstudios Constant Contact for WordPress allows Object Injection. This issue affects Constant Contact for WordPress: from n/a through 4.1.1.
References
Type Values Removed Values Added
Description Deserialization of Untrusted Data vulnerability in webdevstudios Constant Contact for WordPress allows Object Injection. This issue affects Constant Contact for WordPress: from n/a through 4.1.1. Deserialization of Untrusted Data vulnerability in webdevstudios Constant Contact for WordPress constant-contact-api allows Object Injection.This issue affects Constant Contact for WordPress: from n/a through <= 4.1.1.
References
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Webdevstudios
Webdevstudios constant Contact For Wordpress
Wordpress
Wordpress wordpress
Vendors & Products Webdevstudios
Webdevstudios constant Contact For Wordpress
Wordpress
Wordpress wordpress
Type Values Removed Values Added
Description Deserialization of Untrusted Data vulnerability in webdevstudios Constant Contact for WordPress allows Object Injection. This issue affects Constant Contact for WordPress: from n/a through 4.1.1.
Title WordPress Constant Contact for WordPress Plugin <= 4.1.1 - PHP Object Injection Vulnerability
Weaknesses CWE-502
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Apr 28, 2026, 4:12 PM
Reserved
May 15, 2025, 5:54 PM
Status
Deferred
Published
Sep 9, 2025, 5:15 PM
Modified
Jun 17, 2026, 9:29 AM