Unauthenticated Cross Site Scripting (XSS) in Newsletter <= 9.3.3 versions.

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Advisories

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Fixes

Solution

Update the WordPress Newsletter Plugin to the latest available version (at least 9.3.4).


Workaround

No workaround given by the vendor.

History

Wed, 19 Aug 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 19 Aug 2026 19:30:00 +0000

Type Values Removed Values Added
First Time appeared Stefanno Lissa
Stefanno Lissa newsletter
Wordpress
Wordpress wordpress
Vendors & Products Stefanno Lissa
Stefanno Lissa newsletter
Wordpress
Wordpress wordpress

Wed, 19 Aug 2026 13:00:00 +0000

Type Values Removed Values Added
Description Unauthenticated Cross Site Scripting (XSS) in Newsletter <= 9.3.3 versions.
Title WordPress Newsletter plugin <= 9.3.3 - Cross Site Scripting (XSS) vulnerability
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Patchstack

Published:

Updated: 2026-08-19T19:38:36.483Z

Reserved: 2026-07-27T14:00:08.990Z

Link: CVE-2026-66596

cve-icon Vulnrichment

Updated: 2026-08-19T19:38:31.504Z

cve-icon NVD

Status : Received

Published: 2026-08-19T13:17:50.430

Modified: 2026-08-19T20:17:20.623

Link: CVE-2026-66596

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-19T20:00:05Z

Weaknesses