CVE-2026-116863

WordPress Newsletters plugin <= 4.18.2 - Cross Site Request Forgery (CSRF) vulnerability

Published Oct 27, 2026 CVSS 3.1 · 9.6 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
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 Tribulant
Tribulant newsletters
Wordpress-extensions
Wordpress-extensions newsletters
Vendors & Products Tribulant
Tribulant newsletters
Wordpress-extensions
Wordpress-extensions newsletters
Type Values Removed Values Added
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.
Title WordPress Newsletters plugin <= 4.18.2 - Cross Site Request Forgery (CSRF) vulnerability
Weaknesses CWE-352
References
Metrics cvssV3_1

{'score': 9.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Oct 29, 2026, 1:47 PM
Reserved
Oct 27, 2026, 12:20 AM
Status
Deferred
Published
Oct 27, 2026, 4:17 PM
Modified
Oct 29, 2026, 2:17 PM