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Groundhogg EUVDEUVD-2026-39671

| CVE-2026-57667 HIGH
SQL Injection (CWE-89)
2026-06-26 audit@patchstack.com GHSA-5972-j8hw-jxcr
8.5
CVSS 3.1 · Vendor: patchstack
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Severity by source

Vendor (patchstack) PRIMARY
8.5 HIGH
AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L
vuln.today AI
8.5 HIGH

Network-reachable SQLi requiring the Sales Representative role (PR:L) with no user interaction; scope changes to the shared DB, high confidentiality, no integrity, low availability per vendor data.

3.1 AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:L/SC:L/SI:N/SA:N

Primary rating from Vendor (patchstack).

CVSS VectorVendor: patchstack

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
Low

Lifecycle Timeline

1
Analysis Generated
Jun 26, 2026 - 15:45 vuln.today

DescriptionCVE.org

Sales Representative SQL Injection in Groundhogg <= 4.5 versions.

AnalysisAI

SQL injection in the Groundhogg WordPress CRM/marketing-automation plugin (versions <= 4.5) allows an authenticated low-privileged user holding the Sales Representative role to inject arbitrary SQL into a database query, exposing sensitive data across the WordPress installation. The CVSS 3.1 base score is 8.5 (High) with a scope change, reflecting that compromise of the plugin's data layer reaches beyond its own privilege boundary. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Authenticate as Sales Representative user
Exploit
Send crafted request to vulnerable Groundhogg endpoint
Execution
Inject malicious SQL into query parameter
Impact
Exfiltrate sensitive contact and WordPress data

Vulnerability AssessmentAI

Exploitation Exploitation requires an authenticated account with the Groundhogg Sales Representative role (PR:L) - this is the concrete limiting prerequisite named in the description; the bug is not reachable by anonymous/unauthenticated visitors. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The supplied CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L, score 8.5) indicates network-reachable, low-complexity exploitation requiring low privileges and no user interaction, with high confidentiality impact, no integrity impact, and low availability impact across a changed scope. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker who has obtained or been granted a Sales Representative account in Groundhogg sends a crafted request to the vulnerable plugin functionality, embedding malicious SQL into a parameter that is concatenated into a backend query. Because the flaw permits high-confidentiality impact with a changed scope, the attacker extracts sensitive data such as other contacts' records, WordPress user details, or password hashes from the shared database. …
Remediation No vendor-released patch version is identified in the supplied data; the only reference is the Patchstack database entry (https://patchstack.com/database/wordpress/plugin/groundhogg/vulnerability/wordpress-groundhogg-plugin-4-5-sql-injection-vulnerability?_s_id=cve), which should be checked for the fixed release, and administrators should update Groundhogg to the latest available version above 4.5 once confirmed by the vendor. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Identify all Groundhogg installations, document versions, and restrict Sales Representative role to essential personnel only. …

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EUVD-2026-39671 vulnerability details – vuln.today

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