CVE-2026-56058

WordPress Quform plugin <= 2.23.0 - Arbitrary File Upload vulnerability

Published Jun 26, 2026 CVSS 3.1 · 9.9 Critical EPSS < 1% KEV · Not listed
Description
Subscriber Arbitrary File Upload in Quform <= 2.23.0 versions.

Remediation

Vendor Solution

Update the WordPress Quform Plugin to the latest available version (at least 2.23.1).

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Themecatcher
Themecatcher quform
Wordpress
Wordpress wordpress
Vendors & Products Themecatcher
Themecatcher quform
Wordpress
Wordpress wordpress
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Subscriber Arbitrary File Upload in Quform <= 2.23.0 versions.
Title WordPress Quform plugin <= 2.23.0 - Arbitrary File Upload vulnerability
Weaknesses CWE-434
References
Metrics cvssV3_1

{'score': 9.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Jun 26, 2026, 5:43 PM
Reserved
Jun 18, 2026, 2:38 PM
Status
Deferred
Published
Jun 26, 2026, 3:16 PM
Modified
Oct 25, 2026, 6:10 PM