CVE-2026-3596

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Riaxe Product Customizer", "vendor": "imprintnext", "versions": [{"lessThanOrEqual": "2.1.2", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Riaxe Product Customizer plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 2.1.2. The plugin registers an unauthenticated AJAX action ('wp_ajax_nopriv_install-imprint') that maps to the ink_pd_add_option() function. This function reads 'option' and 'opt_value' from $_POST, then calls delete_option() followed by add_option() using these attacker-controlled values without any nonce verification, capability checks, or option name allowlist. This makes it possible for unauthenticated attackers to update arbitrary WordPress options, which can be leveraged for privilege escalation by enabling user registration and setting the default user role to administrator."}], "id": "CVE-2026-3596", "lastModified": "2026-06-17T10:43:50.627", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "security@wordfence.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-3596", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-04-16T12:56:08.167263Z", "version": "2.0.3"}}]}, "published": "2026-04-16T06:16:15.667", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/riaxe-product-customizer/tags/2.1.2/riaxe-product-designer.php#L183"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/riaxe-product-customizer/tags/2.1.2/riaxe-product-designer.php#L5045"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/riaxe-product-customizer/tags/2.1.2/riaxe-product-designer.php#L5046"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/riaxe-product-customizer/tags/2.1.2/riaxe-product-designer.php#L5047"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/riaxe-product-customizer/tags/2.1.2/riaxe-product-designer.php#L5058"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/riaxe-product-customizer/trunk/riaxe-product-designer.php#L183"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/riaxe-product-customizer/trunk/riaxe-product-designer.php#L5045"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/riaxe-product-customizer/trunk/riaxe-product-designer.php#L5046"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/riaxe-product-customizer/trunk/riaxe-product-designer.php#L5047"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/riaxe-product-customizer/trunk/riaxe-product-designer.php#L5058"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/271a35fb-56b7-4d6b-bccc-fea1227d0913?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-862"}], "source": "security@wordfence.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,2.1.2]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Riaxe Product Customizer", "source": "cna", "vendor": "imprintnext"}, "product": "riaxe_product_customizer", "vendor": "imprintnext"}, {"configurations": [{"platform": null, "status": "unaffected", "versions": null}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "wordpress", "vendor": "wordpress"}], "analysis": {"en": {"generated_at": "2026-04-16T08:56:27.551412+00:00", "value": {"mitigation_remediation": ["Update the Riaxe Product Customizer plugin to a version newer than 2.1.2, where the exploit is patched. If an update is not possible, remove the plugin entirely to eliminate the attack surface.", "Block unauthenticated requests to the /wp-admin/admin-ajax.php?&action=install-imprint endpoint, for example by using a web\u2011application firewall or access\u2011control rules that deny POST requests to this action from non\u2011authenticated users.", "After applying the patch or removal, review site user roles and registration settings; disable user registration or set the default role to a non\u2011privileged role to reduce the chance of privilege escalation."], "summary": {"action": "Apply Patch", "impact": "Privilege Escalation"}, "threat_synthesis": {"affected_systems": "The vulnerability affects the Imprintnext Riaxe Product Customizer WordPress plugin, versions 2.1.2 and earlier.", "description_and_impact": "The Riaxe Product Customizer plugin for WordPress contains an unauthenticated AJAX endpoint that lets any website visitor call a function that executes delete_option and add_option on arbitrary option names supplied by the attacker. Because the code performs no nonce verification, capability checks, or option name allowlist, an unauthenticated attacker can change WordPress configuration options. By setting the default role for new users to administrator or enabling registration, an attacker can effectively elevate privileges and seize control of the site.", "risk_and_exploitability": "The CVSS base score of 9.8 indicates critical severity. With no EPSS data available, the exploit probability is uncertain, but the absence of authentication checks means the vulnerability is highly actionable in practice. An attacker only needs to send an unauthenticated HTTP POST to the 'install-imprint' AJAX action, which is widely available on any site running the affected plugin, making the attack straightforward and the risk of exploitation significant."}}}}, "created": "2026-04-16T09:00:05.292625+00:00", "updated": "2026-04-16T09:11:51.476463+00:00", "vendors": ["imprintnext", "imprintnext$PRODUCT$riaxe_product_customizer", "wordpress", "wordpress$PRODUCT$wordpress"]}