Brevo for WooCommerce Plugin up to 4.0.49 on WordPress user_connection_id cross site scripting

Summaryinfo

A vulnerability classified as problematic has been found in Brevo for WooCommerce Plugin up to 4.0.49 on WordPress. This vulnerability affects unknown code. Performing a manipulation of the argument user_connection_id results in cross site scripting. This vulnerability is identified as CVE-2025-14436. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as problematic has been found in Brevo for WooCommerce Plugin up to 4.0.49 on WordPress. This affects some unknown processing. The manipulation of the argument user_connection_id with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:

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.

The advisory is shared at wordfence.com. This vulnerability is uniquely identified as CVE-2025-14436. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-206266). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• E-Commerce Management Software

Name

• Brevo for WooCommerce Plugin

Version

• 4.0.0
• 4.0.1
• 4.0.2
• 4.0.3
• 4.0.4
• 4.0.5
• 4.0.6
• 4.0.7
• 4.0.8
• 4.0.9
• 4.0.10
• 4.0.11
• 4.0.12
• 4.0.13
• 4.0.14
• 4.0.15
• 4.0.16
• 4.0.17
• 4.0.18
• 4.0.19
• 4.0.20
• 4.0.21
• 4.0.22
• 4.0.23
• 4.0.24
• 4.0.25
• 4.0.26
• 4.0.27
• 4.0.28
• 4.0.29
• 4.0.30
• 4.0.31
• 4.0.32
• 4.0.33
• 4.0.34
• 4.0.35
• 4.0.36
• 4.0.37
• 4.0.38
• 4.0.39
• 4.0.40
• 4.0.41
• 4.0.42
• 4.0.43
• 4.0.44
• 4.0.45
• 4.0.46
• 4.0.47
• 4.0.48
• 4.0.49

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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