CVE-2021-3294
Estado: ModificadaMedia (5.4)—💥 Exploit
CASAP Automated Enrollment System 1.0 is affected by cross-site scripting (XSS) in users.php. An attacker can steal a cookie to perform user redirection to a malicious website.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- Puntuación base: 5.4
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 2.85%
- Percentil entre todas las CVEs puntuadas: 86
- 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).
💥 Exploits públicos
Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.
- Publicado en Exploit-DB · CASAP Automated Enrollment System 1.0 - 'First Name' Stored XSS (25/1/2021)
Tecnologías afectadas (1)
CWE
- CWE-79
Referencias
- http://packetstormsecurity.com/files/161421/CASAP-Automated-Enrollment-System-1.0-Cross-Site-Scripting.html
- https://www.exploit-db.com/exploits/49469
- https://www.sourcecodester.com/download-code?nid=12210&title=CASAP+Automated+Enrollment+System+using+PHP%2FMySQLi+with+Source+Code
- http://packetstormsecurity.com/files/161421/CASAP-Automated-Enrollment-System-1.0-Cross-Site-Scripting.html
- https://www.exploit-db.com/exploits/49469
- https://www.sourcecodester.com/download-code?nid=12210&title=CASAP+Automated+Enrollment+System+using+PHP%2FMySQLi+with+Source+Code
JSON original (NVD)
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{
"id": "CVE-2021-3294",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
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"type": "Primary",
"source": "nvd@nist.gov",
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"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
"authentication": "SINGLE",
"integrityImpact": "PARTIAL",
"accessComplexity": "MEDIUM",
"availabilityImpact": "NONE",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "LOW",
"obtainAllPrivilege": false,
"exploitabilityScore": 6.8,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": true
}
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"integrityImpact": "LOW",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "LOW"
},
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"exploitabilityScore": 2.3
}
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"affected": [
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"affectedData": [
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"versions": [
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"published": "2021-02-09T00:15:12.267",
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"vulnStatus": "Modified",
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"description": [
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"descriptions": [
{
"lang": "en",
"value": "CASAP Automated Enrollment System 1.0 is affected by cross-site scripting (XSS) in users.php. An attacker can steal a cookie to perform user redirection to a malicious website."
},
{
"lang": "es",
"value": "CASAP Automated Enrollment System versión 1.0, está afectado por una vulnerabilidad de tipo cross-site scripting (XSS) en el archivo users.php. Un atacante puede robar una cookie para llevar a cabo un redireccionamiento del usuario hacia un sitio web malicioso"
}
],
"lastModified": "2026-07-09T01:17:01.200",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
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