EUVD-2026-64804
GHSA-8fhj-262x-44vc
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Unauthenticated (PR:N) remote (AV:N) low-complexity privilege escalation yielding admin-level control gives full C/I/A impact; scope unchanged as compromise stays within the WordPress instance.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
Lifecycle Timeline
2DescriptionCVE.org
Unauthenticated Privilege Escalation in Affiliate Pro - Affiliate Program for WooCommerce & WordPress <= 8.9.1 versions.
Articles & Coverage 1
AnalysisAI
Unauthenticated privilege escalation in the Affiliate Pro - Affiliate Program for WooCommerce & WordPress plugin (versions up to and including 8.9.1) lets remote, unauthenticated attackers improperly acquire elevated privileges on affected WordPress sites. Reported by Patchstack and tracked as EUVD-2026-64804, the flaw carries a critical CVSS 9.8 with a fully network-exploitable vector and no user interaction. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The only firm prerequisite from the available data is that a vulnerable version (≤ 8.9.1) of the Affiliate Pro plugin is installed and active on a reachable WordPress/WooCommerce site; the CVSS vector AV:N/AC:L/PR:N/UI:N indicates no authentication, no user interaction, and no elevated privileges are required, so exploitation works remotely against exposed installations. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The signals are consistent and point to genuine priority rather than an inflated score: the CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N) describes remote, unauthenticated, low-complexity exploitation with high confidentiality, integrity, and availability impact, and CWE-266 privilege-escalation flaws in WordPress plugins are historically reliable to weaponize. … 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 | Upgrade the Affiliate Pro - Affiliate Program for WooCommerce & WordPress plugin to the vendor's fixed release above 8.9.1 as soon as it is available; the input does not include an exact patched version number, so confirm the fixed version directly against the Patchstack advisory (https://patchstack.com/database/wordpress/plugin/wp-wc-affiliate-program/vulnerability/wordpress-affiliate-pro-affiliate-program-for-woocommerce-wordpress-plugin-8-9-1-privilege-escalation-vulnerability?_s_id=cve) and the plugin's changelog before deploying. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all WordPress installations running Affiliate Pro versions ≤8.9.1 and immediately disable or deactivate the plugin to eliminate the attack surface; verify disablement through your security scanning tools. …
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External POC / Exploit Code
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