CVE-2025-14436
published 2026-01-08CVE-2025-14436: The Brevo for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘user_connection_id’ parameter in all versions up to, and…
PriorityP180high7.2CVSS 3.1
AVNACLPRNUINSCCLILAN
ITWVulnCheck KEV
Exploited in the wild
EPSS
0.26%
16.8th percentile
The Brevo for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘user_connection_id’ parameter in all versions up to, and including, 4.0.49 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Affected
1 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| neeraj_slit | brevo_for_woocommerce | <= 4.0.49 | — |
CVSS provenance
nvdv3.17.2HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
vulncheck7.2HIGH
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GHSA
GHSA-hphg-w3qv-qmf8: The Brevo for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘user_connection_id’ parameter in all versions up
ghsa_unreviewed·2026-01-09
CVE-2025-14436 [HIGH] CWE-79 GHSA-hphg-w3qv-qmf8: The Brevo for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘user_connection_id’ parameter in all versions up
The Brevo for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘user_connection_id’ parameter in all versions up to, and including, 4.0.49 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
VulnCheck
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
vulncheck·2025·CVSS 7.2
CVE-2025-14436 [HIGH] Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The Brevo for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘user_connection_id’ parameter in all versions up to, and including, 4.0.49 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Affected: Brevo Brevo for WooCommerce Plugin for WordPress
Required Action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Exploitation References: https://patchstack.com/database/wordpress/plugin/woocommerce-sendinblue-newslett
No detection rules found.
No public exploits indexed.
https://plugins.trac.wordpress.org/browser/woocommerce-sendinblue-newsletter-subscription/trunk/src/managers/admin-manager.php#L59https://plugins.trac.wordpress.org/browser/woocommerce-sendinblue-newsletter-subscription/trunk/src/views/admin_menus.php#L728https://plugins.trac.wordpress.org/browser/woocommerce-sendinblue-newsletter-subscription/trunk/woocommerce-sendinblue.php#L164https://plugins.trac.wordpress.org/browser/woocommerce-sendinblue-newsletter-subscription/trunk/woocommerce-sendinblue.php#L171https://plugins.trac.wordpress.org/browser/woocommerce-sendinblue-newsletter-subscription/trunk/woocommerce-sendinblue.php#L188https://plugins.trac.wordpress.org/changeset/3434903/woocommerce-sendinblue-newsletter-subscriptionhttps://www.wordfence.com/threat-intel/vulnerabilities/id/670f4e26-75c9-40cd-8088-2fa4c40f6feb?source=cve
2026-01-08
Published
Exploited in the wild