TI-2025-33898 Aliases CVE-2025-54053 GHSA-c9jc-jv3w-6j48

WordPress Groundhogg plugin <= 4.2.2 - PHP Object Injection vulnerability

LOW 31CWE-502Published 2025-08-20 · Updated 2026-04-28

Key facts

Attack vector: Network
Privileges required: High
User interaction: None
Attack complexity: High
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00359 29th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Adrian Tobey	Groundhogg	up to 4.2.2	—	No fix listed	CNA

Groundhogg VendorAdrian Tobey Affected up to 4.2.2 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-54053
2026-10-03 Alias added: GHSA-c9jc-jv3w-6j48

References

Other 1

https://patchstack.com/database/Wordpress/Plugin/groundhogg/vulnerability/wordpress-groundhogg-4-2-2-php-object-injection-vulnerability?_s_id=cve

TI-2024-37258 WordPress Groundhogg plugin <= 3.7.3.3 - Reflected Cross Site Scripting (XSS) vulnerability CVSS 3.1HIGH 7.1
TI-2026-41326 WordPress Groundhogg plugin <= 4.4.1 - Arbitrary File Deletion vulnerability CVSS 3.1HIGH 8.6
TI-2025-30626 WordPress Groundhogg plugin <= 4.2.1 - Arbitrary File Upload vulnerability CVSS 3.1CRITICAL 9.1
TI-2026-68287 Sensitive data exposure in Groundhogg WordPress plugin CVSS 3.1HIGH 7.5
TI-2026-41491 WordPress Groundhogg plugin <= 4.5 - SQL Injection vulnerability CVSS 3.1HIGH 8.5
TI-2025-22285 WordPress SMTP Service, Email Delivery Solved! — MailHawk plugin <= 1.3.1 - Local File Inclusion Vulnerability CVSS 3.1HIGH 7.5

See all 10 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences