Newsletter – Send awesome emails from WordPress <= 9.1.0 - Cross-Site Request Forgery to Newsletter Unsubscription
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Tampering
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-352.
Summary
The Newsletter – Send awesome emails from WordPress plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 9.1.0. This is due to missing or incorrect nonce validation on the hook_newsletter_action() function. This makes it possible for unauthenticated attackers to unsubscribe newsletter subscribers via a forged request granted they can trick a logged-in user into performing an action such as clicking on a link.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-1051
- 2026-10-03 Alias added: GHSA-2wh9-wm58-w79r
References
More satollo vulnerabilities
- TI-2021-06784 Giveaway <= 1.2.2 - Authenticated SQL Injection CVSS 3.1HIGH 7.2
- TI-2024-12920 Head, Footer and Post Injections <= 3.3.0 - Authenticated (Administrator+) PHP Code Injection in Multisite Environments CVSS 3.1HIGH 7.2
- TI-2026-65981 Newsletter <= 9.4.0 - Unauthenticated Stored Cross-Site Scripting via 'np1' Custom Field Parameter CVSS 3.1HIGH 7.2
- TI-2026-62415 Insufficiently protected credentials in satollo Newsletter – Send awesome emails from… CVSS 3.1MEDIUM 5.3
- TI-2023-04399 Newsletter <= 7.8.9 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode CVSS 3.1MEDIUM 6.4
- TI-2024-04939 Newsletter <= 8.3.4 - Unauthenticated Stored Cross-Site Scripting via np1 CVSS 3.1MEDIUM 6.4
Sources
- CVE-2026-1051 · CVE Program
- CVE-2026-1051 · NVD
- FIRST EPSS
- GHSA-2wh9-wm58-w79r · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences