CVE-2020-9056
Status: ModifiedMedium (5.4)—
Periscope BuySpeed version 14.5 is vulnerable to stored cross-site scripting, which could allow a local, authenticated attacker to store arbitrary JavaScript within the application. This JavaScript is subsequently displayed by the application without sanitization and is executed in the browser of the user, which could possibly cause website redirection, session hijacking, or information disclosure. This vulnerability has been patched in BuySpeed version 15.3.
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:L
- Base score: 5.4
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 0.64%
- Percentile among all scored CVEs: 49
- Score date: 10/13/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (1)
CWEs
- CWE-79
- CWE-79
References
Raw JSON (NVD)
Show
{
"id": "CVE-2020-9056",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 3.5,
"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
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "cret@cert.org",
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"baseScore": 3.9,
"attackVector": "LOCAL",
"baseSeverity": "LOW",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L",
"integrityImpact": "LOW",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "LOW",
"privilegesRequired": "LOW",
"confidentialityImpact": "NONE"
},
"impactScore": 2.5,
"exploitabilityScore": 1.3
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
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"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:L",
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"privilegesRequired": "LOW",
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},
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}
]
},
"affected": [
{
"source": "cret@cert.org",
"affectedData": [
{
"vendor": "Periscope Holdings",
"product": "BuySpeed",
"versions": [
{
"status": "affected",
"version": "14.5"
}
]
}
]
}
],
"published": "2020-04-10T19:15:13.617",
"references": [
{
"url": "https://kb.cert.org/vuls/id/660597/",
"tags": [
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"US Government Resource"
],
"source": "cret@cert.org"
},
{
"url": "https://support.buyspeed.com/hc/en-us/articles/360035773831-Buyspeed-15-3-0-Release-Notes",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"source": "cret@cert.org"
},
{
"url": "https://kb.cert.org/vuls/id/660597/",
"tags": [
"Third Party Advisory",
"US Government Resource"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://support.buyspeed.com/hc/en-us/articles/360035773831-Buyspeed-15-3-0-Release-Notes",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "cret@cert.org",
"description": [
{
"lang": "en",
"value": "CWE-79"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-79"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Periscope BuySpeed version 14.5 is vulnerable to stored cross-site scripting, which could allow a local, authenticated attacker to store arbitrary JavaScript within the application. This JavaScript is subsequently displayed by the application without sanitization and is executed in the browser of the user, which could possibly cause website redirection, session hijacking, or information disclosure. This vulnerability has been patched in BuySpeed version 15.3."
},
{
"lang": "es",
"value": "Periscope BuySpeed versión 14.5, ??es vulnerable a un ataque de tipo cross-site scripting almacenado, el cual podría permitir a un atacante local autenticado almacenar JavaScript arbitrario dentro de la aplicación. Este JavaScript es posteriormente mostrado por la aplicación sin sanear y es ejecutado en el navegador del usuario, lo que posiblemente podría causar un redireccionamiento abierto del sitio web, secuestro de la sesión o una divulgación de información. Esta vulnerabilidad ha sido parcheada en BuySpeed ??versión 15.3."
}
],
"lastModified": "2026-06-17T03:27:25.160",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:periscopeholdings:buyspeed:14.5:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "58C95CA6-C269-4D9F-9B7E-2D88BADEBEBC"
}
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"operator": "OR"
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],
"sourceIdentifier": "cret@cert.org"
}