Brevo Newsletter, SMTP, Email marketing and Subscribe Forms Plugin Page Parameter cross site scripting

Summaryinfo

A vulnerability was found in Brevo Newsletter, SMTP, Email marketing and Subscribe Forms Plugin up to 3.1.77 and classified as problematic. This vulnerability affects unknown code of the component Page Parameter Handler. Such manipulation of the argument page leads to cross site scripting. This vulnerability is uniquely identified as CVE-2026-15297. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Brevo Newsletter, SMTP, Email marketing and Subscribe Forms Plugin up to 3.1.77 and classified as problematic. Affected by this issue is an unknown code of the component Page Parameter Handler. The manipulation of the argument page with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity. CVE summarizes:

The Newsletter, SMTP, Email marketing and Subscribe forms by Brevo (formely Sendinblue) plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the page parameter in all versions up to, and including, 3.1.77 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

The advisory is available at wordfence.com. This vulnerability is handled as CVE-2026-15297 since 07/09/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• WordPress Plugin

Vendor

• Brevo

Name

• Newsletter, SMTP, Email marketing and Subscribe Forms Plugin

Version

• 3.1.0
• 3.1.1
• 3.1.2
• 3.1.3
• 3.1.4
• 3.1.5
• 3.1.6
• 3.1.7
• 3.1.8
• 3.1.9
• 3.1.10
• 3.1.11
• 3.1.12
• 3.1.13
• 3.1.14
• 3.1.15
• 3.1.16
• 3.1.17
• 3.1.18
• 3.1.19
• 3.1.20
• 3.1.21
• 3.1.22
• 3.1.23
• 3.1.24
• 3.1.25
• 3.1.26
• 3.1.27
• 3.1.28
• 3.1.29
• 3.1.30
• 3.1.31
• 3.1.32
• 3.1.33
• 3.1.34
• 3.1.35
• 3.1.36
• 3.1.37
• 3.1.38
• 3.1.39
• 3.1.40
• 3.1.41
• 3.1.42
• 3.1.43
• 3.1.44
• 3.1.45
• 3.1.46
• 3.1.47
• 3.1.48
• 3.1.49
• 3.1.50
• 3.1.51
• 3.1.52
• 3.1.53
• 3.1.54
• 3.1.55
• 3.1.56
• 3.1.57
• 3.1.58
• 3.1.59
• 3.1.60
• 3.1.61
• 3.1.62
• 3.1.63
• 3.1.64
• 3.1.65
• 3.1.66
• 3.1.67
• 3.1.68
• 3.1.69
• 3.1.70
• 3.1.71
• 3.1.72
• 3.1.73
• 3.1.74
• 3.1.75
• 3.1.76
• 3.1.77

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion