CVE-2026-1073

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Purchase Button For Affiliate Link", "vendor": "themepul", "versions": [{"lessThanOrEqual": "1.0.2", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Purchase Button For Affiliate Link plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.0.2. This is due to missing nonce validation on the settings page form handler in `inc/purchase-btn-options-page.php`. This makes it possible for unauthenticated attackers to modify plugin settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link."}, {"lang": "es", "value": "El plugin Purchase Button For Affiliate Link para WordPress es vulnerable a falsificaci\u00f3n de petici\u00f3n en sitios cruzados en todas las versiones hasta la 1.0.2, inclusive. Esto se debe a la falta de validaci\u00f3n de nonce en el gestor del formulario de la p\u00e1gina de ajustes en 'inc/purchase-btn-options-page.php'. Esto hace posible que atacantes no autenticados modifiquen los ajustes del plugin a trav\u00e9s de una petici\u00f3n falsificada, siempre que puedan enga\u00f1ar a un administrador del sitio para que realice una acci\u00f3n como hacer clic en un enlace."}], "id": "CVE-2026-1073", "lastModified": "2026-06-17T10:14:57.063", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "security@wordfence.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-1073", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-03-09T17:32:01.334236Z", "version": "2.0.3"}}]}, "published": "2026-03-07T08:16:08.837", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/purchase-button/tags/1.0.2/inc/purchase-btn-options-page.php#L3"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/purchase-button/trunk/inc/purchase-btn-options-page.php#L3"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/8c9a223c-6c34-4c64-92b5-d986f9791ebb?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-352"}], "source": "security@wordfence.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.0.2]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Purchase Button For Affiliate Link", "source": "cna", "vendor": "themepul"}, "product": "purchase_button_for_affiliate_link", "vendor": "themepul"}, {"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": "2026-04-15T19:49:58.813271+00:00", "value": {"mitigation_remediation": ["Upgrade the Purchase Button For Affiliate Link plugin to a version that includes nonce validation, at the very least 1.0.3 or later.", "Disable or delete the plugin if it is not required to reduce exposure to CSRF.", "Enforce a site-wide CSRF protection mechanism, such as ensuring all form submissions include a valid nonce and validate it on the server side."], "summary": {"action": "Patch plugin", "impact": "Unauthorized modification of plugin settings via CSRF"}, "threat_synthesis": {"affected_systems": "The vulnerability affects themepul\u2019s Purchase Button For Affiliate Link plugin in all releases up to and including version 1.0.2. Administrators using any of these versions on a WordPress installation are at risk unless they upgrade to a fixed version.", "description_and_impact": "The Purchase Button For Affiliate Link plugin for WordPress is vulnerable to Cross-Site Request Forgery due to missing nonce validation on the settings page form handler. This flaw allows an unauthenticated attacker to forge a request that modifies the plugin\u2019s configuration when an administrator inadvertently submits the form. The primary impact is a loss of integrity for the plugin\u2019s settings, potentially altering its behavior without the site owner\u2019s consent.", "risk_and_exploitability": "The CVSS score of 4.3 indicates a moderate severity, but the EPSS score is less than 1%, suggesting a very low probability of exploitation in the wild. The issue is not listed in the KEV catalog. Exploitation requires the attacker to entice a logged\u2011in administrator to click a crafted link or submit a form, making physical and social engineering constraints a key factor. While the vulnerability is technically possible to exploit, realistic attack scenarios are limited."}}}}, "created": "2026-03-09T10:05:37.341267+00:00", "updated": "2026-04-15T20:00:06.604285+00:00", "vendors": ["themepul", "themepul$PRODUCT$purchase_button_for_affiliate_link", "wordpress", "wordpress$PRODUCT$wordpress"]}