CVE-2021-46030
Estado: ModificadaMedia (5.4)—
There is a Cross Site Scripting attack (XSS) vulnerability in JavaQuarkBBS <= v2. By entering specific statements into the background tag management module, the attack statement will be stored in the database, and the next victim will be attacked when he accesses the tag module.
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: 0.50%
- Percentil entre todas las CVEs puntuadas: 40
- 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).
Tecnologías afectadas (1)
CWE
- CWE-79
Referencias
JSON original (NVD)
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"id": "CVE-2021-46030",
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"authentication": "SINGLE",
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"affected": [
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"published": "2022-01-19T15:15:07.753",
"references": [
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"url": "https://github.com/ChinaLHR/JavaQuarkBBS/issues/23",
"tags": [
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"source": "cve@mitre.org"
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"descriptions": [
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},
{
"lang": "es",
"value": "Se presenta una vulnerabilidad de ataque de tipo Cross Site Scripting (XSS) en JavaQuarkBBS versiones anteriores a v2 incluyéndola. Al introducir declaraciones específicas en el módulo de administración de etiquetas en segundo plano, la declaración de ataque será almacenada en la base de datos, y la siguiente víctima será atacada cuando acceda al módulo de etiquetas"
}
],
"lastModified": "2026-06-17T04:14:25.773",
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