CVE-2020-4070 - Vulnerability Details - OpenCVE

In CSS Validator less than or equal to commit 54d68a1, there is a cross-site scripting vulnerability in handling URIs. A user would have to click on a specifically crafted validator link to trigger it. This has been patched in commit e5c09a9.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication Single

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
W3c	Css Validator

Configuration 1 [-]

cpe:2.3:a:w3c:css_validator:*:*:*:*:*:*:*:*

No data.

References

Link	Providers
https://github.com/w3c/css-validator/commit/e5c09a9119167d3064db786d5f00d730b584a53b
https://github.com/w3c/css-validator/security/advisories/GHSA-wf36-7w73-rh8c

History

No history.

MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2020-06-22T15:40:12

Updated: 2024-08-04T07:52:20.971Z

Reserved: 2019-12-30T00:00:00

Link: CVE-2020-4070

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-06-22T16:15:11.963

Modified: 2024-11-21T05:32:15.050

Link: CVE-2020-4070

Redhat

No data.

{"containers": {"cna": {"affected": [{"product": "CSS Validator", "vendor": "World Wide Web Consortium (W3C)", "versions": [{"status": "affected", "version": "<= 54d68a1"}]}], "descriptions": [{"lang": "en", "value": "In CSS Validator less than or equal to commit 54d68a1, there is a cross-site scripting vulnerability in handling URIs. A user would have to click on a specifically crafted validator link to trigger it. This has been patched in commit e5c09a9."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-06-22T15:40:12", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/w3c/css-validator/security/advisories/GHSA-wf36-7w73-rh8c"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/w3c/css-validator/commit/e5c09a9119167d3064db786d5f00d730b584a53b"}], "source": {"advisory": "GHSA-wf36-7w73-rh8c", "discovery": "UNKNOWN"}, "title": "Cross-site Scripting in CSS Validator", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2020-4070", "STATE": "PUBLIC", "TITLE": "Cross-site Scripting in CSS Validator"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "CSS Validator", "version": {"version_data": [{"version_value": "<= 54d68a1"}]}}]}, "vendor_name": "World Wide Web Consortium (W3C)"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "In CSS Validator less than or equal to commit 54d68a1, there is a cross-site scripting vulnerability in handling URIs. A user would have to click on a specifically crafted validator link to trigger it. This has been patched in commit e5c09a9."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}]}, "references": {"reference_data": [{"name": "https://github.com/w3c/css-validator/security/advisories/GHSA-wf36-7w73-rh8c", "refsource": "CONFIRM", "url": "https://github.com/w3c/css-validator/security/advisories/GHSA-wf36-7w73-rh8c"}, {"name": "https://github.com/w3c/css-validator/commit/e5c09a9119167d3064db786d5f00d730b584a53b", "refsource": "MISC", "url": "https://github.com/w3c/css-validator/commit/e5c09a9119167d3064db786d5f00d730b584a53b"}]}, "source": {"advisory": "GHSA-wf36-7w73-rh8c", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T07:52:20.971Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/w3c/css-validator/security/advisories/GHSA-wf36-7w73-rh8c"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/w3c/css-validator/commit/e5c09a9119167d3064db786d5f00d730b584a53b"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2020-4070", "datePublished": "2020-06-22T15:40:12", "dateReserved": "2019-12-30T00:00:00", "dateUpdated": "2024-08-04T07:52:20.971Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:w3c:css_validator:*:*:*:*:*:*:*:*", "matchCriteriaId": "5B629E2A-714E-4901-8AFB-09B637FC058D", "versionEndIncluding": "2020-01-19", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "In CSS Validator less than or equal to commit 54d68a1, there is a cross-site scripting vulnerability in handling URIs. A user would have to click on a specifically crafted validator link to trigger it. This has been patched in commit e5c09a9."}, {"lang": "es", "value": "En CSS Validator, menor o igual al commit 54d68a1, se presenta una vulnerabilidad de tipo cross-site scripting al manejar los URI. Un usuario tendr\u00eda que hacer clic en un enlace validador espec\u00edficamente dise\u00f1ado para activarlo. Esto ha sido parcheado en el commit e5c09a9"}], "id": "CVE-2020-4070", "lastModified": "2024-11-21T05:32:15.050", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 3.5, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 6.8, "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": 4.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 2.5, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-06-22T16:15:11.963", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/w3c/css-validator/commit/e5c09a9119167d3064db786d5f00d730b584a53b"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/w3c/css-validator/security/advisories/GHSA-wf36-7w73-rh8c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/w3c/css-validator/commit/e5c09a9119167d3064db786d5f00d730b584a53b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://github.com/w3c/css-validator/security/advisories/GHSA-wf36-7w73-rh8c"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Secondary"}]}