CVE-2026-97643
El plugin GiveWP – Donation Plugin and Fundraising Platform para WordPress es vulnerable a Almacenamiento de Secuencias de Comandos en Sitios Cruzados (XSS) a través del shortcode `givewp_campaign_grid` del plugin en versiones hasta la 4.17.0 inclusive.
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Esto se debe a una sanitización insuficiente de entradas y escape de salida inadecuado en atributos del shortcode proporcionados por el usuario (`filter_by`, `layout`, `sort_by`, `order_by`) en la función CampaignGridShortcode::parseAttributes() combinado con la plantilla de renderización que emite `json_encode($attributes)` dentro de un atributo HTML entre comillas simples sin esc_attr() — json_encode() no escapa comillas simples de forma predeterminada, por lo que una `'` en un valor de atributo rompe el atributo envolvente. Esto hace posible que atacantes autenticados, con acceso de nivel Colaborador y superior, inyecten scripts web arbitrarios en páginas que se ejecutarán siempre que un usuario acceda a una página inyectada.
Traducción automática del texto original de NVD (en inglés).
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
- Puntuación base: 6.4
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.21%
- Percentil entre todas las CVEs puntuadas: 11
- Fecha de la puntuación: 13/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1190Exploit Public-Facing Applicationinitial access60 % - Impacto principal
T1059.007JavaScriptexecution55 %
Inferido por reglas deterministas a partir del vector CVSS y la CWE. Solo orientativo.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-79
Referencias
- https://github.com/impress-org/givewp/releases/tag/4.18.0
- https://plugins.trac.wordpress.org/browser/give/tags/4.17.0/src/Campaigns/Actions/RegisterCampaignShortcodes.php#L28
- https://plugins.trac.wordpress.org/browser/give/tags/4.17.0/src/Campaigns/Blocks/CampaignGrid/render.php#L6
- https://plugins.trac.wordpress.org/browser/give/tags/4.17.0/src/Campaigns/Shortcodes/CampaignGridShortcode.php#L22
- https://plugins.trac.wordpress.org/browser/give/tags/4.17.0/src/Campaigns/Shortcodes/CampaignGridShortcode.php#L91
- https://plugins.trac.wordpress.org/browser/give/tags/4.17.0/src/Campaigns/Shortcodes/ShortcodeRenderController.php#L65
- https://www.wordfence.com/threat-intel/vulnerabilities/id/cc825b2f-43d0-42f0-972d-7d361f7e0b59?source=cve
JSON original (NVD)
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{
"id": "CVE-2026-97643",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-97643",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-10-11T12:15:32.796431Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "security@wordfence.com",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 6.4,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "LOW"
},
"impactScore": 2.7,
"exploitabilityScore": 3.1
}
]
},
"affected": [
{
"source": "security@wordfence.com",
"affectedData": [
{
"vendor": "stellarwp",
"product": "GiveWP – Donation Plugin and Fundraising Platform",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "semver",
"lessThanOrEqual": "4.17.0"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2026-10-10T06:16:45.547",
"references": [
{
"url": "https://github.com/impress-org/givewp/releases/tag/4.18.0",
"source": "security@wordfence.com"
},
{
"url": "https://plugins.trac.wordpress.org/browser/give/tags/4.17.0/src/Campaigns/Actions/RegisterCampaignShortcodes.php#L28",
"source": "security@wordfence.com"
},
{
"url": "https://plugins.trac.wordpress.org/browser/give/tags/4.17.0/src/Campaigns/Blocks/CampaignGrid/render.php#L6",
"source": "security@wordfence.com"
},
{
"url": "https://plugins.trac.wordpress.org/browser/give/tags/4.17.0/src/Campaigns/Shortcodes/CampaignGridShortcode.php#L22",
"source": "security@wordfence.com"
},
{
"url": "https://plugins.trac.wordpress.org/browser/give/tags/4.17.0/src/Campaigns/Shortcodes/CampaignGridShortcode.php#L91",
"source": "security@wordfence.com"
},
{
"url": "https://plugins.trac.wordpress.org/browser/give/tags/4.17.0/src/Campaigns/Shortcodes/ShortcodeRenderController.php#L65",
"source": "security@wordfence.com"
},
{
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/cc825b2f-43d0-42f0-972d-7d361f7e0b59?source=cve",
"source": "security@wordfence.com"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Secondary",
"source": "security@wordfence.com",
"description": [
{
"lang": "en",
"value": "CWE-79"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "The GiveWP – Donation Plugin and Fundraising Platform plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's `givewp_campaign_grid` shortcode in versions up to, and including, 4.17.0 This is due to insufficient input sanitization and output escaping on user supplied shortcode attributes (`filter_by`, `layout`, `sort_by`, `order_by`) in the CampaignGridShortcode::parseAttributes() function combined with the render template emitting `json_encode($attributes)` inside a single-quoted HTML attribute without esc_attr() — json_encode() does not escape single quotes by default, so a `'` in an attribute value breaks out of the enclosing attribute. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page."
}
],
"lastModified": "2026-10-13T13:30:21.620",
"sourceIdentifier": "security@wordfence.com"
}