Critical severity · published Oct 27, 2026
CVE-2026-116863
WordPress Newsletters plugin <= 4.18.2 - Cross Site Request Forgery (CSRF) vulnerability
New
9.6
CVSS
0.2%
EPSS
No
On KEV
Description
Cross-Site Request Forgery (CSRF) vulnerability in Tribulant Software Newsletters newsletters-lite allows Cross Site Request Forgery.This issue affects Newsletters: from n/a through 4.18.2.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 7% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NE
Newsletters · Tribulant Software
through 4.18.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-116863
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-116863
patchstack.com
https://patchstack.com/database/wordpress/plugin/newsletters-lite/vulnerability/wordpress-newsletters-plugin-4-18-2-cross-site-request-forgery-csrf-vulnerability?_s_id=cve
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