Multi Uploader for Gravity Forms <= 1.1.8 - Missing Authorization to Unauthenticated Arbitrary Media Deletion
| CVE | CVE-2026-5581 |
|---|---|
| CVSS | 9.1 (Critical) |
| Publicly Published | August 4, 2026 |
| Last Updated | August 5, 2026 |
| Researcher |
Riski Gana Prasetya
- TRI Cybersecurity Community
|
Description
The Multi Uploader for Gravity Forms plugin for WordPress is vulnerable to unauthorized arbitrary media deletion in all versions up to, and including, 1.1.8. This is due to missing capability checks in the `plupload_ajax_delete_file()` function, which is registered via `wp_ajax_nopriv_gfmu_delete_file`. The nonce intended for CSRF protection is exposed on any public-facing page containing a multi-uploader form field via the `GFMU_options` JavaScript object. This makes it possible for unauthenticated attackers to permanently delete any WordPress media attachment by supplying its attachment ID, potentially leading to complete media library destruction.
References
- plugins.trac.wordpress.org
- plugins.trac.wordpress.org
- plugins.trac.wordpress.org
- plugins.trac.wordpress.org
- plugins.trac.wordpress.org
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Vulnerability Details for Multi Uploader for Gravity Forms
| Software Type | Plugin |
|---|---|
| Software Slug | gf-multi-uploader (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 1.1.9, or a newer patched version |
| Affected Version |
|
| Patched Version |
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Recent vulnerabilities in Multi Uploader for Gravity Forms
| # | Title | CVE ID | CVSS | Researchers | Date |
|---|---|---|---|---|---|
| 1 | Multi Uploader for Gravity Forms <= 1.1.7 - Unauthenticated Arbitrary File Deletion | CVE-2025-14344 | Muhammad Yudha - DJ | December 11, 2025 | |
| 2 | Multi Uploader for Gravity Forms <= 1.1.3 - Unauthenticated Arbitrary File Upload | CVE-2025-23921 | Colin Xu | January 16, 2025 |
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