NewsmanApp Plugin up to 3.7.29 on WordPress Newsman Remarketing billing_first_name/billing_last_name cross site scripting

Summaryinfo

A vulnerability marked as problematic has been reported in NewsmanApp Plugin up to 3.7.29. The impacted element is an unknown function of the component Newsman Remarketing. The manipulation of the argument billing_first_name/billing_last_name leads to cross site scripting. This vulnerability is traded as CVE-2026-115821. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in NewsmanApp Plugin up to 3.7.29 and classified as problematic. This issue affects an unknown code of the component Newsman Remarketing. The manipulation of the argument billing_first_name/billing_last_name 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. The summary by CVE is:

The NewsmanApp plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'billing_first_name, billing_last_name' parameter in all versions up to, and including, 3.7.29 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. This vulnerability is only exploitable when the Newsman Remarketing feature is enabled and a non-empty Remarketing ID is configured in the plugin settings.

The advisory is shared at wordfence.com. The identification of this vulnerability is CVE-2026-115821 since 10/23/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful 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.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• WordPress Plugin

Name

• NewsmanApp Plugin

Version

• 3.7.0
• 3.7.1
• 3.7.2
• 3.7.3
• 3.7.4
• 3.7.5
• 3.7.6
• 3.7.7
• 3.7.8
• 3.7.9
• 3.7.10
• 3.7.11
• 3.7.12
• 3.7.13
• 3.7.14
• 3.7.15
• 3.7.16
• 3.7.17
• 3.7.18
• 3.7.19
• 3.7.20
• 3.7.21
• 3.7.22
• 3.7.23
• 3.7.24
• 3.7.25
• 3.7.26
• 3.7.27
• 3.7.28
• 3.7.29

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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