CRITICALVulnerability

CVE-2026-5581

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.

Properties

severity
CRITICAL
score
9.1
cve_id
CVE-2026-5581
vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
published_at
2026-08-05T08:16:35.007
last_modified
2026-08-12T21:00:37.147

Related Entities (2)

HAS_WEAKNESS (1)

[Weakness]Missing Authorization

DESCRIBED_BY (1)

[Source]NVD

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CVE-2026-5581 — Ninja Signal Threat Intelligence | Ninja Signal