CVE-2021-3163 (GCVE-0-2021-3163)
Vulnerability from cvelistv5 – Published: 2021-04-12 20:35 – Updated: 2024-08-03 16:45 Disputed
VLAI
EPSS
VEX
Summary
A vulnerability in the HTML editor of Slab Quill 4.8.0 allows an attacker to execute arbitrary JavaScript by storing an XSS payload (a crafted onloadstart attribute of an IMG element) in a text field. Note: Researchers have claimed that this issue is not within the product itself, but is intended behavior in a web browser
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-07-19 18:28 UTC
CWE
- n/a
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://quilljs.com | x_refsource_MISC |
| https://burninatorsec.blogspot.com/2021/04/cve-20… | x_refsource_MISC |
| https://github.com/quilljs/quill/issues/3273 | x_refsource_MISC |
| https://github.com/quilljs/quill/issues/3364 | x_refsource_MISC |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2021-3163",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-07-19T18:28:30.323980Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-07-19T18:28:36.966Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2024-08-03T16:45:51.393Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://quilljs.com"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://burninatorsec.blogspot.com/2021/04/cve-2021-3163-xss-slab-quill-js.html"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://github.com/quilljs/quill/issues/3273"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://github.com/quilljs/quill/issues/3364"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the HTML editor of Slab Quill 4.8.0 allows an attacker to execute arbitrary JavaScript by storing an XSS payload (a crafted onloadstart attribute of an IMG element) in a text field. Note: Researchers have claimed that this issue is not within the product itself, but is intended behavior in a web browser"
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2021-10-25T16:42:19.000Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://quilljs.com"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://burninatorsec.blogspot.com/2021/04/cve-2021-3163-xss-slab-quill-js.html"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/quilljs/quill/issues/3273"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/quilljs/quill/issues/3364"
}
],
"tags": [
"disputed"
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2021-3163",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
{
"version_value": "n/a"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "** DISPUTED ** A vulnerability in the HTML editor of Slab Quill 4.8.0 allows an attacker to execute arbitrary JavaScript by storing an XSS payload (a crafted onloadstart attribute of an IMG element) in a text field. Note: Researchers have claimed that this issue is not within the product itself, but is intended behavior in a web browser."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://quilljs.com",
"refsource": "MISC",
"url": "https://quilljs.com"
},
{
"name": "https://burninatorsec.blogspot.com/2021/04/cve-2021-3163-xss-slab-quill-js.html",
"refsource": "MISC",
"url": "https://burninatorsec.blogspot.com/2021/04/cve-2021-3163-xss-slab-quill-js.html"
},
{
"name": "https://github.com/quilljs/quill/issues/3273",
"refsource": "MISC",
"url": "https://github.com/quilljs/quill/issues/3273"
},
{
"name": "https://github.com/quilljs/quill/issues/3364",
"refsource": "MISC",
"url": "https://github.com/quilljs/quill/issues/3364"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2021-3163",
"datePublished": "2021-04-12T20:35:07.000Z",
"dateReserved": "2021-01-17T00:00:00.000Z",
"dateUpdated": "2024-08-03T16:45:51.393Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2021-3163",
"date": "2026-09-22",
"epss": "0.01311",
"percentile": "0.694"
},
"nvd": {
"cve": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:slab:quill:4.8.0:*:*:*:*:node.js:*:*",
"matchCriteriaId": "AE851EDE-63BD-4A7A-9A1E-7AE5575DDEB0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [
{
"sourceIdentifier": "cve@mitre.org",
"tags": [
"disputed"
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the HTML editor of Slab Quill 4.8.0 allows an attacker to execute arbitrary JavaScript by storing an XSS payload (a crafted onloadstart attribute of an IMG element) in a text field. Note: Researchers have claimed that this issue is not within the product itself, but is intended behavior in a web browser"
},
{
"lang": "es",
"value": "** EN DISPUTA ** Una vulnerabilidad en el editor HTML de Slab Quill versi\u00f3n 4.8.0, permite a un atacante ejecutar JavaScript arbitrario almacenando una carga \u00fatil XSS (un atributo onloadstart dise\u00f1ado de un elemento IMG) en un campo de texto. Nota: Los investigadores han afirmado que este problema no est\u00e1 dentro del propio producto, sino que es un comportamiento previsto en un navegador web."
}
],
"id": "CVE-2021-3163",
"lastModified": "2024-11-21T06:21:02.183",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"cvssData": {
"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": "2021-04-12T21:15:14.340",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://burninatorsec.blogspot.com/2021/04/cve-2021-3163-xss-slab-quill-js.html"
},
{
"source": "cve@mitre.org",
"tags": [
"Broken Link",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://github.com/quilljs/quill/issues/3273"
},
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://github.com/quilljs/quill/issues/3364"
},
{
"source": "cve@mitre.org",
"tags": [
"Product"
],
"url": "https://quilljs.com"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://burninatorsec.blogspot.com/2021/04/cve-2021-3163-xss-slab-quill-js.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://github.com/quilljs/quill/issues/3273"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://github.com/quilljs/quill/issues/3364"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Product"
],
"url": "https://quilljs.com"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-79"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2026-03-27T14:07:01+00:00",
"cve": "CVE-2021-3163",
"id": "CVE-2021-3163",
"initial_release_date": "2021-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "CVE-2021-3163",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-3163.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T16:45:51.393Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://quilljs.com"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://burninatorsec.blogspot.com/2021/04/cve-2021-3163-xss-slab-quill-js.html"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://github.com/quilljs/quill/issues/3273"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://github.com/quilljs/quill/issues/3364"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2021-3163",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-07-19T18:28:30.323980Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-07-19T18:28:33.709Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the HTML editor of Slab Quill 4.8.0 allows an attacker to execute arbitrary JavaScript by storing an XSS payload (a crafted onloadstart attribute of an IMG element) in a text field. Note: Researchers have claimed that this issue is not within the product itself, but is intended behavior in a web browser"
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2021-10-25T16:42:19.000Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://quilljs.com"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://burninatorsec.blogspot.com/2021/04/cve-2021-3163-xss-slab-quill-js.html"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/quilljs/quill/issues/3273"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/quilljs/quill/issues/3364"
}
],
"tags": [
"disputed"
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2021-3163",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
{
"version_value": "n/a"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "** DISPUTED ** A vulnerability in the HTML editor of Slab Quill 4.8.0 allows an attacker to execute arbitrary JavaScript by storing an XSS payload (a crafted onloadstart attribute of an IMG element) in a text field. Note: Researchers have claimed that this issue is not within the product itself, but is intended behavior in a web browser."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://quilljs.com",
"refsource": "MISC",
"url": "https://quilljs.com"
},
{
"name": "https://burninatorsec.blogspot.com/2021/04/cve-2021-3163-xss-slab-quill-js.html",
"refsource": "MISC",
"url": "https://burninatorsec.blogspot.com/2021/04/cve-2021-3163-xss-slab-quill-js.html"
},
{
"name": "https://github.com/quilljs/quill/issues/3273",
"refsource": "MISC",
"url": "https://github.com/quilljs/quill/issues/3273"
},
{
"name": "https://github.com/quilljs/quill/issues/3364",
"refsource": "MISC",
"url": "https://github.com/quilljs/quill/issues/3364"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2021-3163",
"datePublished": "2021-04-12T20:35:07.000Z",
"dateReserved": "2021-01-17T00:00:00.000Z",
"dateUpdated": "2024-08-03T16:45:51.393Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
Loading…
Loading…
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.
Loading…
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.
Loading…
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.
Loading…