glenwpcoder Drag and Drop Multiple File Upload for Contact Form 7 Plugin Setting cross site scripting

Summaryinfo

A vulnerability was found in glenwpcoder Drag and Drop Multiple File Upload for Contact Form 7 Plugin up to 1.3.9.7 on WordPress and classified as problematic. This affects an unknown function of the component Setting Handler. Executing a manipulation of the argument drag_n_drop_text/drag_n_drop_browse_text can lead to cross site scripting. This vulnerability appears as CVE-2026-8991. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in glenwpcoder Drag and Drop Multiple File Upload for Contact Form 7 Plugin up to 1.3.9.7 on WordPress and classified as problematic. This vulnerability affects an unknown code of the component Setting Handler. The manipulation of the argument drag_n_drop_text/drag_n_drop_browse_text with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. CVE summarizes:

The Drag and Drop Multiple File Upload for Contact Form 7 plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'drag_n_drop_text' and 'drag_n_drop_browse_text' Settings in all versions up to, and including, 1.3.9.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The weakness was presented by Bao Luu Gia Nguyen. The advisory is available at wordfence.com. This vulnerability was named CVE-2026-8991 since 05/19/2026. The exploitation appears to be easy. The attack can be initiated remotely. Additional levels of successful authentication are necessary 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.

Upgrading to version 1.3.9.6 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-34943). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• WordPress Plugin

Vendor

• glenwpcoder

Name

• Drag and Drop Multiple File Upload for Contact Form 7 Plugin

Version

• 1.3.9.0
• 1.3.9.1
• 1.3.9.2
• 1.3.9.3
• 1.3.9.4
• 1.3.9.5
• 1.3.9.6
• 1.3.9.7

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CPE 2.2info

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Entryinfo

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

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