CVE-2021-33851

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{"affected": [{"affectedData": [{"product": "WordPress Customize Login Image Plugin", "vendor": "n/a", "versions": [{"status": "affected", "version": "Version 3.4"}]}], "source": "disclose@cybersecurityworks.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apasionados:customize_login_image:3.4:*:*:*:*:wordpress:*:*", "matchCriteriaId": "D87707A8-F4BB-4F6C-AA71-82EB4A1CB6FF", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A cross-site scripting (XSS) attack can cause arbitrary code (JavaScript) to run in a user's browser and can use an application as the vehicle for the attack. The XSS payload given in the \"Custom logo link\" executes whenever the user opens the Settings Page of the \"Customize Login Image\" Plugin."}, {"lang": "es", "value": "Un ataque de tipo cross-Site Scripting (XSS) puede hacer que se ejecute c\u00f3digo arbitrario (JavaScript) en el navegador de un usuario y puede utilizar una aplicaci\u00f3n como veh\u00edculo para el ataque. La carga \u00fatil XSS dada en el \"enlace del logotipo personalizado\" se ejecuta siempre que el usuario abre la p\u00e1gina de configuraci\u00f3n del plugin \"Personalizar imagen de inicio de sesi\u00f3n\""}], "id": "CVE-2021-33851", "lastModified": "2026-06-17T03:55:19.090", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 3.5, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 6.8, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-03-10T17:42:36.047", "references": [{"source": "disclose@cybersecurityworks.com", "tags": ["Exploit", "Mitigation", "Third Party Advisory"], "url": "https://cybersecurityworks.com/zerodays/cve-2021-33851-stored-cross-site-scripting-in-wordpress-customize-login-image.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Mitigation", "Third Party Advisory"], "url": "https://cybersecurityworks.com/zerodays/cve-2021-33851-stored-cross-site-scripting-in-wordpress-customize-login-image.html"}], "sourceIdentifier": "disclose@cybersecurityworks.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "disclose@cybersecurityworks.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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