Critical severity · published Jun 15, 2026
CVE-2026-49106
WordPress Integration for Contact Form 7 and Constant Contact plugin <= 1.1.6 - PHP Object Injection vulnerability
9.8
CVSS
0.4%
EPSS
No
On KEV
Description
Unauthenticated PHP Object Injection in Integration for Contact Form 7 and Constant Contact <= 1.1.6 versions.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
Affected product
IF
Integration for Contact Form 7 and Constant Contact
CRM Perks
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4.3
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WordPress Integration for Constant Contact and Contact Form 7, WPForms, Elementor, Ninja Forms plugin <= 1.1.5 - Cross Site Request Forgery (CSRF) vulnerability