CVE-2021-23648 (GCVE-0-2021-23648)
Vulnerability from cvelistv5 – Published: 2022-03-16 15:45 – Updated: 2024-09-16 16:22
VLAI
EPSS
VEX
Title
Cross-site Scripting (XSS)
Summary
The package @braintree/sanitize-url before 6.0.0 are vulnerable to Cross-site Scripting (XSS) due to improper sanitization in sanitizeUrl function.
Severity
5.4 (Medium)
CWE
- Cross-site Scripting (XSS)
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://snyk.io/vuln/SNYK-JS-BRAINTREESANITIZEURL… | x_refsource_MISC |
| https://github.com/braintree/sanitize-url/blob/ma… | x_refsource_MISC |
| https://github.com/braintree/sanitize-url/pull/40 | x_refsource_MISC |
| https://github.com/braintree/sanitize-url/pull/40… | x_refsource_MISC |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| n/a | @braintree/sanitize-url |
Affected:
unspecified , < 6.0.0
(custom)
|
Date Public
2022-03-16 00:00
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"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 2.7,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2022-03-16T16:15:10.690",
"references": [
{
"source": "report@snyk.io",
"tags": [
"Broken Link"
],
"url": "https://github.com/braintree/sanitize-url/blob/main/src/index.ts%23L11"
},
{
"source": "report@snyk.io",
"tags": [
"Issue Tracking",
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/braintree/sanitize-url/pull/40"
},
{
"source": "report@snyk.io",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/braintree/sanitize-url/pull/40/commits/e5afda45d9833682b705f73fc2c1265d34832183"
},
{
"source": "report@snyk.io",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2PFW6Q2LXXWTFRTMTRN4ZGADFRQPKJ3D/"
},
{
"source": "report@snyk.io",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36GUEPA5TPSC57DZTPYPBL6T7UPQ2FRH/"
},
{
"source": "report@snyk.io",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HLAQRRGNSO5MYCPAXGPH2OCSHOGHSQMQ/"
},
{
"source": "report@snyk.io",
"tags": [
"Exploit",
"Patch",
"Third Party Advisory"
],
"url": "https://snyk.io/vuln/SNYK-JS-BRAINTREESANITIZEURL-2339882"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link"
],
"url": "https://github.com/braintree/sanitize-url/blob/main/src/index.ts%23L11"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Issue Tracking",
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/braintree/sanitize-url/pull/40"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/braintree/sanitize-url/pull/40/commits/e5afda45d9833682b705f73fc2c1265d34832183"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2PFW6Q2LXXWTFRTMTRN4ZGADFRQPKJ3D/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36GUEPA5TPSC57DZTPYPBL6T7UPQ2FRH/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HLAQRRGNSO5MYCPAXGPH2OCSHOGHSQMQ/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Patch",
"Third Party Advisory"
],
"url": "https://snyk.io/vuln/SNYK-JS-BRAINTREESANITIZEURL-2339882"
}
],
"sourceIdentifier": "report@snyk.io",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-79"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-08-07T07:31:08+00:00",
"cve": "CVE-2021-23648",
"id": "CVE-2021-23648",
"initial_release_date": "2021-01-01T00:00:00+00:00",
"product_status:fixed": "22",
"product_status:known_affected": "5",
"product_status:known_not_affected": "608",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "sanitize-url: XSS due to improper sanitization in sanitizeUrl function",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-23648.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2025-04-25T04:51:43Z",
"cve": "CVE-2021-23648",
"id": "CVE-2021-23648",
"initial_release_date": "2023-10-31T02:26:32Z",
"product_status:recommended": "2",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2021-23648",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2021-23648.json",
"version": "7"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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