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Abandoned Cart Pro WooCommerce CVE-2026-81543

| EUVDEUVD-2026-71935 HIGH
Improper Privilege Management (CWE-269)
2026-09-05 Wordfence GHSA-9cx9-pmgp-c6x4
8.8
CVSS 3.1 · Vendor: Wordfence
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Severity by source

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

Network-reachable AJAX endpoint, default-enabled auto-login removes configuration complexity, subscriber access required (PR:L), full admin takeover yields C:H/I:H/A:H.

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

Primary rating from Vendor (Wordfence).

CVSS VectorVendor: Wordfence

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Sep 05, 2026 - 08:18 vuln.today
CVE Published
Sep 05, 2026 - 07:38 cve.org
HIGH 8.8

DescriptionCVE.org

The Abandoned Cart Pro for WooCommerce plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 10.7.1. This is due to missing capability checks and nonce verification on multiple AJAX actions including wcap_save_connector_settings, wcap_send_manual_email, wcap_abandoned_cart_info, and wcap_change_manual_email_data. This makes it possible for authenticated attackers, with subscriber-level access and above, to modify SMTP connector settings to route administrator recovery emails through an attacker-controlled server and intercept auto-login links to gain full administrative access. The plugin's auto-login feature must be enabled, which is the default configuration.

AnalysisAI

Privilege escalation in the Abandoned Cart Pro for WooCommerce WordPress plugin (all versions through 10.7.1) allows authenticated subscribers to gain full WordPress administrative access by hijacking the plugin's SMTP email routing. Missing capability checks and nonce verification on at least four AJAX endpoints - including wcap_save_connector_settings - permit any subscriber-level user to silently redirect outbound SMTP traffic through an attacker-controlled mail server. …

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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 subscriber-level (or higher) WordPress account on the target site; on WooCommerce stores, customer self-registration typically satisfies this. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H, score 8.8) accurately reflects the attack's network reach and low complexity once the prerequisite subscriber account is obtained. … 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 Update the Abandoned Cart Pro for WooCommerce plugin to a version beyond 10.7.1 - consult the Wordfence advisory (https://www.wordfence.com/threat-intel/vulnerabilities/id/b8d8aa73-2e68-4353-a603-6fb61ab3406b?source=cve) and the WooCommerce product page (https://woocommerce.com/products/abandoned-cart-pro/) for the exact patched release, as no specific fix version number is confirmed in available data. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, identify all WordPress installations running Abandoned Cart Pro through version 10.7.1 and either disable the plugin entirely or deactivate the vulnerable SMTP configuration endpoints (specifically wcap_save_connector_settings and related AJAX handlers). …

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CVE-2026-81543 vulnerability details – vuln.today

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