Critical severity · published Oct 24, 2026
CVE-2026-94075
WordPress Newsletters plugin <= 4.18.1 - PHP Object Injection vulnerability
New
9.8
CVSS
0.4%
EPSS
No
On KEV
Description
Deserialization of Untrusted Data vulnerability in Tribulant Software Newsletters newsletters-lite allows Object Injection.This issue affects Newsletters: from n/a through 4.18.1.
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 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NE
Newsletters · Tribulant Software
through 4.18.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-94075
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-94075
patchstack.com
https://patchstack.com/database/wordpress/plugin/newsletters-lite/vulnerability/wordpress-newsletters-plugin-4-18-1-php-object-injection-vulnerability?_s_id=cve
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