Description
Unauthenticated Cross Site Scripting (XSS) in Newsletter <= 9.3.3 versions.
Published: 2026-08-19
Score: 7.1 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

Vendor Solution

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

Tracking

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Advisories

No advisories yet.

History

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'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: Patchstack

Published:

Updated: 2026-08-19T12:38:44.706Z

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

Link: CVE-2026-66596

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

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

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

Link: CVE-2026-66596

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-79

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')