CVE-2025-3058
The Xelion Webchat plugin for WordPress is vulnerable to unauthorized modification of data that can lead to privilege escalation due to a missing capability check on the xwc_save_settings() function in all versions up to, and including, 9.1.0. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update arbitrary options on the WordPress site. This can be leveraged to update the default role for registration to administrator and enable user registration for attackers to gain administrative user access to a vulnerable site.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 8.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.47%
- Percentil entre todas las CVEs puntuadas: 38
- Fecha de la puntuación: 6/10/2026
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
T1210Exploitation of Remote Serviceslateral movement75 % - Impacto principal
T1078Valid Accountsstealth · persistence · privilege escalation · initial access85 % - Impacto secundario
T1098.002Additional Email Delegate Permissionspersistence · privilege escalation80 % - Impacto secundario
T1548Abuse Elevation Control Mechanismprivilege escalation75 %
Atacante autenticado (PR:L) explota función vulnerable sin validación de permisos en plugin WordPress para escalar privilegios: modifica opciones de registro, crea cuenta administrativa y obtiene acceso de administrador.
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ 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-862
Referencias
- https://plugins.trac.wordpress.org/browser/xelion-webchat/trunk//includes/class-xelion-webchat-ajax-admin.php#L119
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3282039%40xelion-webchat&new=3282039%40xelion-webchat&sfp_email=&sfph_mail=
- https://www.wordfence.com/threat-intel/vulnerabilities/id/250202d5-3a0d-494c-8386-1f4cd015ad7e?source=cve
JSON original (NVD)
Mostrar
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"role": "CISA Coordinator",
"options": [
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},
{
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},
{
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],
"version": "2.0.3",
"timestamp": "2025-04-24T13:40:02.547376Z"
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"integrityImpact": "HIGH",
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"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
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"affected": [
{
"source": "security@wordfence.com",
"affectedData": [
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"vendor": "jauharixelion",
"product": "Xelion Webchat",
"versions": [
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"version": "0",
"versionType": "semver",
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"published": "2025-04-24T09:15:30.500",
"references": [
{
"url": "https://plugins.trac.wordpress.org/browser/xelion-webchat/trunk//includes/class-xelion-webchat-ajax-admin.php#L119",
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{
"url": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3282039%40xelion-webchat&new=3282039%40xelion-webchat&sfp_email=&sfph_mail=",
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"value": "The Xelion Webchat plugin for WordPress is vulnerable to unauthorized modification of data that can lead to privilege escalation due to a missing capability check on the xwc_save_settings() function in all versions up to, and including, 9.1.0. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update arbitrary options on the WordPress site. This can be leveraged to update the default role for registration to administrator and enable user registration for attackers to gain administrative user access to a vulnerable site."
},
{
"lang": "es",
"value": "El complemento Xelion Webchat para WordPress es vulnerable a la modificación no autorizada de datos, lo que puede provocar una escalada de privilegios debido a la falta de una comprobación de capacidad en la función xwc_save_settings() en todas las versiones hasta la 9.1.0 incluida. Esto permite a atacantes autenticados, con acceso de suscriptor o superior, actualizar opciones arbitrarias en el sitio de WordPress. Esto puede aprovecharse para actualizar el rol predeterminado de registro a administrador y habilitar el registro de usuarios para que los atacantes obtengan acceso administrativo a un sitio vulnerable."
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],
"lastModified": "2026-06-17T09:19:06.730",
"sourceIdentifier": "security@wordfence.com"
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