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WP ERP CVE-2026-11421

| EUVDEUVD-2026-53041 MEDIUM
SQL Injection (CWE-89)
2026-08-05 Wordfence GHSA-hjjr-7h7r-m538
6.5
CVSS 3.1 · Vendor: Wordfence
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Severity by source

Vendor (Wordfence) PRIMARY
6.5 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
vuln.today AI
6.5 MEDIUM

PR:L reflects mandatory CRM Agent role; AV:N for network-accessible AJAX endpoint; C:H for arbitrary database read; I:N and A:N as the injection path is read-only.

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

Primary rating from Vendor (Wordfence).

CVSS VectorVendor: Wordfence

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

Lifecycle Timeline

2
Analysis Generated
Aug 05, 2026 - 06:01 vuln.today
CVE Published
Aug 05, 2026 - 04:25 cve.org
MEDIUM 6.5

DescriptionCVE.org

The ERP: Complete HR, Accounting & CRM Suite with WooCommerce CRM Support plugin for WordPress is vulnerable to SQL Injection via the 'erpadvancefilter' parameter in all versions up to, and including, 1.17.4 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. The handler runs the value through sanitize_text_field, which preserves single quotes, and the downstream erp_crm_contact_advance_filter() function interpolates it directly into a single-quoted SQL WHERE clause before execution via $wpdb->get_results(). This makes it possible for authenticated attackers, with the plugin-supplied CRM Agent role (or higher CRM Manager / WordPress admin) and the erp_crm_list_contact capability, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

AnalysisAI

SQL injection in the WP ERP WordPress plugin (all versions through 1.17.4) allows authenticated CRM Agent-role users to extract arbitrary data from the WordPress database by supplying a crafted 'erpadvancefilter' parameter to the CRM AJAX handler. The root flaw is a sanitization gap: sanitize_text_field strips HTML but preserves single quotes, which are then interpolated verbatim into a single-quoted SQL WHERE clause inside erp_crm_contact_advance_filter() before execution via $wpdb->get_results(), bypassing WordPress's parameterized query protections entirely. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires a valid WordPress session authenticated with the plugin-supplied CRM Agent role or a higher CRM role (CRM Manager or WordPress admin), plus the erp_crm_list_contact capability. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The NVD/Wordfence CVSS score of 6.5 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) accurately reflects the primary risk profile: the attack requires no special network position and low complexity, but is gated behind a low-privilege authenticated session with the plugin-supplied CRM Agent role and the erp_crm_list_contact capability. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation A fix has been committed to the plugin's development trunk in changeset 3577284, modifying functions-customer.php to address the interpolation flaw; however, a tagged released version beyond 1.17.4 is not independently confirmed from the available references, so administrators should monitor the WordPress plugin repository at https://wordpress.org/plugins/erp/ for a patched release and upgrade promptly once available. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-11421 vulnerability details – vuln.today

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