CVE-2026-81780

WordPress Hash Form plugin <= 1.4.2 - Arbitrary File Upload vulnerability

Published Aug 31, 2026 CVSS 3.1 · 10 Critical EPSS < 1% KEV · Not listed
Description
Unauthenticated Arbitrary File Upload in Hash Form <= 1.4.2 versions.

Remediation

Vendor Solution

Update the WordPress Hash Form Plugin to the latest available version (at least 1.4.3).

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Hashthemes
Hashthemes hash Form
Wordpress
Wordpress wordpress
Vendors & Products Hashthemes
Hashthemes hash Form
Wordpress
Wordpress wordpress
Type Values Removed Values Added
Description Unauthenticated Arbitrary File Upload in Hash Form <= 1.4.2 versions.
Title WordPress Hash Form plugin <= 1.4.2 - Arbitrary File Upload vulnerability
Weaknesses CWE-434
References
Metrics cvssV3_1

{'score': 10, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Sep 1, 2026, 6:11 PM
Reserved
Aug 27, 2026, 12:24 PM
Status
Deferred
Published
Aug 31, 2026, 9:17 PM
Modified
Sep 1, 2026, 8:48 PM