brandtoss WP Mailster Plugin up to 1.8.17.0 on WordPress insertion of sensitive information into sent data

Summaryinfo

A vulnerability described as problematic has been identified in brandtoss WP Mailster Plugin up to 1.8.17.0 on WordPress. Impacted is an unknown function. The manipulation results in insertion of sensitive information into sent data. This vulnerability is identified as CVE-2025-22303. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in brandtoss WP Mailster Plugin up to 1.8.17.0 on WordPress. It has been classified as problematic. Affected is an unknown code block. The manipulation with an unknown input leads to a insertion of sensitive information into sent data vulnerability. CWE is classifying the issue as CWE-201. The code transmits data to another actor, but a portion of the data includes sensitive information that should not be accessible to that actor. This is going to have an impact on confidentiality. CVE summarizes:

Insertion of Sensitive Information Into Sent Data vulnerability in brandtoss WP Mailster allows Retrieve Embedded Sensitive Data.This issue affects WP Mailster: from n/a through 1.8.17.0.

The weakness was released by Dhabaleshwar Das. The advisory is available at patchstack.com. This vulnerability is traded as CVE-2025-22303 since 01/03/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 01/07/2025). This vulnerability is assigned to T1592 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.

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Productinfo

Type

• WordPress Plugin

Vendor

• brandtoss

Name

• WP Mailster Plugin

Version

• 1.8.0
• 1.8.1
• 1.8.2
• 1.8.3
• 1.8.4
• 1.8.5
• 1.8.6
• 1.8.7
• 1.8.8
• 1.8.9
• 1.8.10
• 1.8.11
• 1.8.12
• 1.8.13
• 1.8.14
• 1.8.15
• 1.8.16
• 1.8.17.0

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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Entryinfo

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