10Web Form Maker Plugin up to 1.15.48 on WordPress inputs cross site scripting

Summaryinfo

A vulnerability was found in 10Web Form Maker Plugin up to 1.15.48. It has been classified as problematic. This issue affects some unknown processing. The manipulation of the argument inputs leads to cross site scripting. This vulnerability is uniquely identified as CVE-2026-103998. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in 10Web Form Maker Plugin up to 1.15.48 and classified as problematic. This issue affects an unknown code block. The manipulation of the argument inputs 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 Form Maker by 10Web – Mobile-Friendly Drag & Drop Contact Form Builder plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'inputs (array key)' parameter in all versions up to, and including, 1.15.48 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 shared at wordfence.com. The identification of this vulnerability is CVE-2026-103998 since 10/01/2026. 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.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-96065). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• WordPress Plugin

Vendor

• 10Web

Name

• Form Maker Plugin

Version

• 1.15.0
• 1.15.1
• 1.15.2
• 1.15.3
• 1.15.4
• 1.15.5
• 1.15.6
• 1.15.7
• 1.15.8
• 1.15.9
• 1.15.10
• 1.15.11
• 1.15.12
• 1.15.13
• 1.15.14
• 1.15.15
• 1.15.16
• 1.15.17
• 1.15.18
• 1.15.19
• 1.15.20
• 1.15.21
• 1.15.22
• 1.15.23
• 1.15.24
• 1.15.25
• 1.15.26
• 1.15.27
• 1.15.28
• 1.15.29
• 1.15.30
• 1.15.31
• 1.15.32
• 1.15.33
• 1.15.34
• 1.15.35
• 1.15.36
• 1.15.37
• 1.15.38
• 1.15.39
• 1.15.40
• 1.15.41
• 1.15.42
• 1.15.43
• 1.15.44
• 1.15.45
• 1.15.46
• 1.15.47
• 1.15.48

CPE 2.3info

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CPE 2.2info

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Entryinfo

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

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