Cross-Site Request Forgery in Tribulant Software Newsletters Lite Plugin
CVE-2026-116863

9.6CRITICAL

Key Information:

Vendor

WordPress
Status
Newsletters
Vendor
CVE Published:
27 October 2026

What is CVE-2026-116863?

A Cross-Site Request Forgery (CSRF) vulnerability exists in the Tribulant Software Newsletters Lite plugin, which can allow an attacker to exploit this flaw by tricking an authenticated user into making unintended requests. This can lead to unauthorized changes and actions within the application. The affected versions include all releases up to 4.18.2, emphasizing the need for users to update their plugins promptly to mitigate potential security risks.

Affected Version(s)

Newsletters 0 <= 4.18.2

References

https://patchstack.com/database/wordpress/plugin/newslett...
vdb-entry

CVSS V3.1

Score:
9.6
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

wackydawg | Patchstack Bug Bounty Program
.