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TI-2023-02321 Aliases CVE-2023-2472GHSA-27xp-g53c-xc82

Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue < 3.1.61 - Reflected XSS

Priority MEDIUM 60Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

The Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue WordPress plugin before 3.1.61 does not sanitise and escape a parameter before outputting it back in the admin dashboard when the WPML plugin is also active and configured, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00486 42nd percentileScored 2026-11-08
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue (Unknown): 3.1.61

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
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
UnknownNewsletter, SMTP, Email marketing and Subscribe forms by Sendinbluebefore 3.1.613.1.61Patch availableCNA
  • Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue VendorUnknown Affected before 3.1.61 Fixed in 3.1.61 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:brevo:newsletter\,_smtp\,_email_marketing_and_subscribe:*:*:*:*:*:wordpress:*:*before 3.1.61VulnerableBrevo
  • cpe:2.3:a:brevo:newsletter\,_smtp\,_email_marketing_and_subscribe:*:*:*:*:*:wordpress:*:* Versions before 3.1.61 Vulnerable ·Brevo

Remediation

  • Fix · CNA Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue (Unknown) Fixed in 3.1.61

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-2472
  2. 2026-10-03 Alias added: GHSA-27xp-g53c-xc82

References

Exploit 1

  • 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
  • TI-2021-07156 Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue < 3.1.31 - Reflected Cross-Site Scripting CVSS 3.1MEDIUM 6.1
  • TI-2024-07859 Cross-site request forgery in neeraj_slit Brevo – Email, SMS, Web Push, Chat, and more. CVSS 3.1MEDIUM 4.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences