CVE-2026-81290: WordPress Email Subscribers & Newsletters plugin <= 5.9.33 - Cross Site Scripting (XSS) vulnerability
Published Aug 31, 2026
·Updated
Unauthenticated Cross Site Scripting (XSS) in Email Subscribers & Newsletters <= 5.9.33 versions.
Affected Software
1 affected component
WordPress Email Subscribers & Newsletters<=5.9.33
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
WordPress Email Subscribers & Newsletters pluginto a version that resolves this vulnerability.Fixed in 5.9.34
Event History
Aug 31, 2026
CVE Published
via MITRE·08:30 PM
Data Sourced
via MITRE·08:30 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·09:17 PM
DescriptionSeverityWeakness
Frequently Asked Questions
1
Does exploitation require an account or elevated WordPress permissions?
No. The vulnerability is described as unauthenticated, so an attacker does not need a WordPress account or prior privileges.
2
What user interaction is required for an attack to succeed?
The supplied CVSS vector includes UI:R, indicating that user interaction is required. The provided data does not specify the form of interaction.
3
Which plugin versions are affected?
Email Subscribers & Newsletters versions 5.9.33 and earlier are affected. The provided data does not identify a fixed version.