CVE-2025-54053

WordPress Groundhogg plugin <= 4.2.2 - PHP Object Injection vulnerability

Published Aug 20, 2025 CVSS 3.1 · 6.6 Medium EPSS < 1% KEV · Not listed
Description
Deserialization of Untrusted Data vulnerability in Adrian Tobey Groundhogg groundhogg allows Object Injection.This issue affects Groundhogg: from n/a through <= 4.2.2.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-28557 Deserialization of Untrusted Data vulnerability in Adrian Tobey Groundhogg allows Object Injection. This issue affects Groundhogg: from n/a through 4.2.2.
History
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.6, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Description Deserialization of Untrusted Data vulnerability in Adrian Tobey Groundhogg allows Object Injection. This issue affects Groundhogg: from n/a through 4.2.2. Deserialization of Untrusted Data vulnerability in Adrian Tobey Groundhogg groundhogg allows Object Injection.This issue affects Groundhogg: from n/a through <= 4.2.2.
Title WordPress Groundhogg <= 4.2.2 - PHP Object Injection Vulnerability WordPress Groundhogg plugin <= 4.2.2 - PHP Object Injection vulnerability
References
Metrics cvssV3_1

{'score': 6.6, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
First Time appeared Groundhogg
Groundhogg groundhogg
Wordpress
Wordpress wordpress
Vendors & Products Groundhogg
Groundhogg groundhogg
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 Deserialization of Untrusted Data vulnerability in Adrian Tobey Groundhogg allows Object Injection. This issue affects Groundhogg: from n/a through 4.2.2.
Title WordPress Groundhogg <= 4.2.2 - PHP Object Injection Vulnerability
Weaknesses CWE-502
References
Metrics cvssV3_1

{'score': 6.6, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Apr 28, 2026, 4:13 PM
Reserved
Jul 16, 2025, 8:52 AM
Status
Deferred
Published
Aug 20, 2025, 8:15 AM
Modified
Jun 17, 2026, 9:39 AM