Critical 9.6Published Oct 27, 2026

CVE-2026-116863WordPress Newsletters plugin <= 4.18.2 - Cross Site Request Forgery (CSRF) vulnerability

Updated under an hour ago (Oct 29, 2026, 2:10 PM ET)

Does this affect you?

It affects Tribulant Software Newsletters. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stackFree account, 3 products Every CVE for Tribulant Software Newsletters Exploited in the last 30 days

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: 9.6 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Weakness (CWE): CWE-352
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Patchstack
NVD analysis: Deferred
Record last updated: Oct 29, 2026
First seen by InfoSec Signals: Oct 27, 2026

Affected products

Affected products

Tribulant Software Newsletters tribulant_software:newsletters (from the name)	through 4.18.2	CNA record

References

References

https://patchstack.com/database/wordpress/plugin/newsletters-lite/vulnerability/wordpress-newsletters-plugin-4-18-2-cross-site-request-forgery-csrf-vulnerability?_s_id=cve	vdb-entry

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.