CVE-2025-14799

Brevo - Email, SMS, Web Push, Chat, and more. <= 3.3.0 - Unauthenticated Authorization Bypass via Type Juggling

The Brevo - Email, SMS, Web Push, Chat, and more. plugin for WordPress is vulnerable to authorization bypass due to type juggling in all versions up to, and including, 3.3.0. This is due to the use of loose comparison (==) instead of strict comparison (===) when validating the installation ID in the `/wp-json/mailin/v1/mailin_disconnect` REST API endpoint. This makes it possible for unauthenticated attackers to disconnect the Brevo integration, delete the API key, remove all subscription forms, and reset plugin settings by sending a boolean `true` value for the `id` parameter, which bypasses the authorization check through PHP type juggling.

We have discovered 1 live websites that are affected by CVE-2025-14799.

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Affected Software

Product  SendinBlue Plugin
Category Wordpress Plugins
Vulnerable Domains1 live websites (0.18% of SendinBlue Plugin install base)
Vulnerable Versions
  • from 0 through 3.3
Vulnerable Versions Count0 versions ( less than 0.1% of all versions)


Common Weakness Enumeration

CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')



Details

  • Published - Feb 18, 2026
  • Updated - Feb 18, 2026

Credits

  • ISMAILSHADOW (finder)

Website Distribution by Country

Number of websites using CVE-2025-14799
Germany1 websites

Website Distribution by TLD

Number of websites using CVE-2025-14799
.de1 websites

Vulnerable Versions

Vulnerable versions are highlighted in red

Websites affected by CVE-2025-14799

Top websites that are affected by CVE-2025-14799. Please click on the "Contact us" link to get more information.
DomainCountryRankContacts
*********.de Germany*,***,***
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FAQ

CVE-2025-14799 is Access of Resource Using Incompatible Type ('Type Confusion') in SendinBlue Plugin
A total of 1 websites have been identified as vulnerable to CVE-2025-14799, based on global website indexing conducted by WebTechSurvey.
The SendinBlue Plugin is affected by the CVE-2025-14799 vulnerability.
SendinBlue Plugin versions up to and including 3.3 are vulnerable to CVE-2025-14799.