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Sensitive data exposure in Groundhogg WordPress plugin

Priority LOW 39CWE-201Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-201.

Summary

The Groundhogg WordPress plugin from Adrian Tobey through version 4.8.3 is affected. The plugin includes sensitive information in data it sends (CWE-201). A remote unauthenticated attacker can read that sensitive data over the network without user interaction.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

Unauthenticated Sensitive Data Exposure in Groundhogg <= 4.8.3 versions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00303 23rd 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
Yes
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
Adrian TobeyGroundhoggup to 4.8.3—No fix listedCNA
  • Groundhogg VendorAdrian Tobey Affected up to 4.8.3 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Groundhogg.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-06 Threatist record created from CVE-2026-104385
  2. 2026-10-06 Alias added: GHSA-rcq6-wxg2-hj48
  3. 2026-10-06 CISA SSVC decision points changed
  4. 2026-10-06 Priority changed: MEDIUM → LOW

References

  • 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-2026-41491 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
  • TI-2025-33898 WordPress Groundhogg plugin <= 4.2.2 - PHP Object Injection vulnerability CVSS 3.1MEDIUM 6.6
See all 10 →

Sources