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TI-2026-00786 Aliases CVE-2026-1051GHSA-2wh9-wm58-w79r

Newsletter – Send awesome emails from WordPress <= 9.1.0 - Cross-Site Request Forgery to Newsletter Unsubscription

Priority LOW 19CWE-352Published · Updated

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

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00124 2nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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

VendorProductAffected versionsFixed inStatusSource
satolloNewsletter – Send awesome emails from WordPressup to 9.1.0—No fix listedCNA
  • Newsletter – Send awesome emails from WordPress Vendorsatollo Affected up to 9.1.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-1051
  2. 2026-10-03 Alias added: GHSA-2wh9-wm58-w79r

References

  • 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
See all 7 →

Sources