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CVE-2025-54053

WordPress Groundhogg plugin <= 4.2.2 - PHP Object Injection vulnerability

6.6 Medium

Deserialization of Untrusted Data vulnerability in Adrian Tobey Groundhogg groundhogg allows Object Injection.This issue affects Groundhogg: from n/a through <= 4.2.2.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
High
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.39%Up 0.3 points since Aug 20, 2025
90%50%10%1%

What each source reports

CVE List Score used 6.6

WordPress Groundhogg plugin <= 4.2.2 - PHP Object Injection vulnerability

Deserialization of Untrusted Data vulnerability in Adrian Tobey Groundhogg groundhogg allows Object Injection.This issue affects Groundhogg: from n/a through <= 4.2.2.

Record
CVE-2025-54053
CVSS 3.1
6.6 MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-502
Updated
2026-11-02
EUVDEUVD-2025-28557 6.6

Deserialization of Untrusted Data vulnerability in Adrian Tobey Groundhogg groundhogg allows Object Injection.This issue affects Groundhogg: from n/a through <= 4.2.2.

Record
EUVD-2025-28557
CVSS 3.1
6.6 MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-c9jc-jv3w-6j48 6.6

Deserialization of Untrusted Data vulnerability in Adrian Tobey Groundhogg allows Object...

Deserialization of Untrusted Data vulnerability in Adrian Tobey Groundhogg allows Object Injection. This issue affects Groundhogg: from n/a through 4.2.2.

Record
GHSA-c9jc-jv3w-6j48
CVSS 3.1
6.6 MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-502
Updated
2026-11-02
NVD 6.6

Deserialization of Untrusted Data vulnerability in Adrian Tobey Groundhogg groundhogg allows Object Injection.This issue affects Groundhogg: from n/a through <= 4.2.2.

Record
CVE-2025-54053
CVSS 3.1
6.6 MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-502
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-54053 is a medium vulnerability (CVSS 6.6) in Adrian Tobey Groundhogg, published August 20, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.39%, the 33rd percentile. No source names a fixed version.

References

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