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{
"id" : "CVE-2024-4891" ,
"sourceIdentifier" : "security@wordfence.com" ,
"published" : "2024-05-18T05:15:46.917" ,
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"lastModified" : "2025-01-30T15:45:34.377" ,
"vulnStatus" : "Analyzed" ,
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"cveTags" : [ ] ,
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"descriptions" : [
{
"lang" : "en" ,
"value" : "The Essential Blocks \u2013 Page Builder Gutenberg Blocks, Patterns & Templates plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the \u2018tagName\u2019 parameter in versions up to, and including, 4.5.12 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page."
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} ,
{
"lang" : "es" ,
"value" : " El complemento Essential Blocks \u2013 Page Builder Gutenberg Blocks, Patterns & Templates para WordPress es vulnerable a cross site scripting almacenado a trav\u00e9s del par\u00e1metro 'tagName' en versiones hasta la 4.5.12 incluida debido a una sanitizaci\u00f3n de entrada y un escape de salida insuficientes. Esto hace posible que atacantes autenticados, con permisos de nivel de colaborador y superiores, inyecten scripts web arbitrarios en p\u00e1ginas que se ejecutar\u00e1n cada vez que un usuario acceda a una p\u00e1gina inyectada."
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}
] ,
"metrics" : {
"cvssMetricV31" : [
{
"source" : "security@wordfence.com" ,
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"type" : "Secondary" ,
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"cvssData" : {
"version" : "3.1" ,
"vectorString" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N" ,
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"baseScore" : 6.4 ,
"baseSeverity" : "MEDIUM" ,
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"attackVector" : "NETWORK" ,
"attackComplexity" : "LOW" ,
"privilegesRequired" : "LOW" ,
"userInteraction" : "NONE" ,
"scope" : "CHANGED" ,
"confidentialityImpact" : "LOW" ,
"integrityImpact" : "LOW" ,
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"availabilityImpact" : "NONE"
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} ,
"exploitabilityScore" : 3.1 ,
"impactScore" : 2.7
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} ,
{
"source" : "nvd@nist.gov" ,
"type" : "Primary" ,
"cvssData" : {
"version" : "3.1" ,
"vectorString" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N" ,
"baseScore" : 5.4 ,
"baseSeverity" : "MEDIUM" ,
"attackVector" : "NETWORK" ,
"attackComplexity" : "LOW" ,
"privilegesRequired" : "LOW" ,
"userInteraction" : "REQUIRED" ,
"scope" : "CHANGED" ,
"confidentialityImpact" : "LOW" ,
"integrityImpact" : "LOW" ,
"availabilityImpact" : "NONE"
} ,
"exploitabilityScore" : 2.3 ,
"impactScore" : 2.7
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}
]
} ,
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"weaknesses" : [
{
"source" : "nvd@nist.gov" ,
"type" : "Primary" ,
"description" : [
{
"lang" : "en" ,
"value" : "CWE-79"
}
]
}
] ,
"configurations" : [
{
"nodes" : [
{
"operator" : "OR" ,
"negate" : false ,
"cpeMatch" : [
{
"vulnerable" : true ,
"criteria" : "cpe:2.3:a:wpdeveloper:essential_blocks:*:*:*:*:free:wordpress:*:*" ,
"versionEndExcluding" : "4.5.13" ,
"matchCriteriaId" : "4E47F5AA-8EA6-43A8-8031-9ECE94DD9A70"
}
]
}
]
}
] ,
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"references" : [
{
"url" : "https://plugins.trac.wordpress.org/browser/essential-blocks/trunk/blocks/AdvancedHeading.php#L115" ,
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"source" : "security@wordfence.com" ,
"tags" : [
"Product"
]
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} ,
{
"url" : "https://plugins.trac.wordpress.org/changeset/3087677/" ,
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"source" : "security@wordfence.com" ,
"tags" : [
"Product"
]
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} ,
{
"url" : "https://www.wordfence.com/threat-intel/vulnerabilities/id/e1bcebb3-920b-40cc-aa5c-24a1f729b28d?source=cve" ,
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"source" : "security@wordfence.com" ,
"tags" : [
"Third Party Advisory"
]
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} ,
{
"url" : "https://plugins.trac.wordpress.org/browser/essential-blocks/trunk/blocks/AdvancedHeading.php#L115" ,
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"source" : "af854a3a-2127-422b-91ae-364da2661108" ,
"tags" : [
"Product"
]
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} ,
{
"url" : "https://plugins.trac.wordpress.org/changeset/3087677/" ,
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"source" : "af854a3a-2127-422b-91ae-364da2661108" ,
"tags" : [
"Patch"
]
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} ,
{
"url" : "https://www.wordfence.com/threat-intel/vulnerabilities/id/e1bcebb3-920b-40cc-aa5c-24a1f729b28d?source=cve" ,
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"source" : "af854a3a-2127-422b-91ae-364da2661108" ,
"tags" : [
"Third Party Advisory"
]
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}
]
}