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TI-2025-40653 Aliases CVE-2025-66128GHSA-wqf3-6pf2-m6r6

WordPress Sendinblue for WooCommerce plugin <= 4.0.49 - Broken Access Control vulnerability

Priority LOW 30CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
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-862.

Summary

Missing Authorization vulnerability in Brevo Sendinblue for WooCommerce woocommerce-sendinblue-newsletter-subscription allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Sendinblue for WooCommerce: from n/a through <= 4.0.49.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00254 17th 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
Yes
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
BrevoSendinblue for WooCommerceup to 4.0.49—No fix listedCNA
  • Sendinblue for WooCommerce VendorBrevo Affected up to 4.0.49 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-2025-66128
  2. 2026-10-03 Alias added: GHSA-wqf3-6pf2-m6r6

References

  • TI-2023-02321 Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue < 3.1.61 - Reflected XSS CVSS 3.1MEDIUM 6.1
  • TI-2023-11807 SQL injection vulnerability found in PrestaShop sendinblue v.4.0.15 and before allow a… CVSS 3.1CRITICAL 9.8
  • TI-2024-21681 WordPress Brevo for WooCommerce plugin <= 4.0.17 - Arbitrary File Download and Deletion vulnerability CVSS 3.1HIGH 8.5
  • TI-2024-28939 WordPress Brevo plugin <= 3.1.82 - Cross Site Request Forgery (CSRF) vulnerability CVSS 3.1HIGH 8.8
  • TI-2024-23537 Cross-site scripting in Brevo Newsletter, SMTP, Email marketing and Subscribe forms by… CVSS 3.1HIGH 7.1
  • TI-2021-07203 Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue < 3.1.25 - Reflected XSS CVSS 3.1MEDIUM 6.1
See all 8 →

Sources