Show plain JSON{"containers": {"cna": {"affected": [{"product": "security-advisories", "vendor": "nextcloud", "versions": [{"status": "affected", "version": "< 10.0.7"}, {"status": "affected", "version": ">= 10.1.0, < 10.1.4"}, {"status": "affected", "version": ">= 11.1.0, < 11.1.2"}, {"status": "affected", "version": "< 11.2.0"}, {"status": "affected", "version": ">= 12.0.0.alpha-1, < 12.0.0"}]}], "descriptions": [{"lang": "en", "value": "Nextcloud is an open-source, self-hosted productivity platform. The Nextcloud Talk application was vulnerable to a stored Cross-Site Scripting (XSS) vulnerability. For exploitation, a user would need to right-click on a malicious file and open the file in a new tab. Due the strict Content-Security-Policy shipped with Nextcloud, this issue is not exploitable on modern browsers supporting Content-Security-Policy. It is recommended that the Nextcloud Talk application is upgraded to patched versions 10.0.7, 10.1.4, 11.1.2, 11.2.0 or 12.0.0. As a workaround, use a browser that has support for Content-Security-Policy."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-434", "description": "CWE-434: Unrestricted Upload of File with Dangerous Type", "lang": "en", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-79", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-11-15T18:30:13", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-xhxq-f4vg-jw5g"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/nextcloud/spreed/pull/542"}, {"tags": ["x_refsource_MISC"], "url": "https://hackerone.com/reports/1135481"}], "source": {"advisory": "GHSA-xhxq-f4vg-jw5g", "discovery": "UNKNOWN"}, "title": "XSS in Talk", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-39222", "STATE": "PUBLIC", "TITLE": "XSS in Talk"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "security-advisories", "version": {"version_data": [{"version_value": "< 10.0.7"}, {"version_value": ">= 10.1.0, < 10.1.4"}, {"version_value": ">= 11.1.0, < 11.1.2"}, {"version_value": "< 11.2.0"}, {"version_value": ">= 12.0.0.alpha-1, < 12.0.0"}]}}]}, "vendor_name": "nextcloud"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Nextcloud is an open-source, self-hosted productivity platform. The Nextcloud Talk application was vulnerable to a stored Cross-Site Scripting (XSS) vulnerability. For exploitation, a user would need to right-click on a malicious file and open the file in a new tab. Due the strict Content-Security-Policy shipped with Nextcloud, this issue is not exploitable on modern browsers supporting Content-Security-Policy. It is recommended that the Nextcloud Talk application is upgraded to patched versions 10.0.7, 10.1.4, 11.1.2, 11.2.0 or 12.0.0. As a workaround, use a browser that has support for Content-Security-Policy."}]}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-434: Unrestricted Upload of File with Dangerous Type"}]}, {"description": [{"lang": "eng", "value": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}]}, "references": {"reference_data": [{"name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-xhxq-f4vg-jw5g", "refsource": "CONFIRM", "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-xhxq-f4vg-jw5g"}, {"name": "https://github.com/nextcloud/spreed/pull/542", "refsource": "MISC", "url": "https://github.com/nextcloud/spreed/pull/542"}, {"name": "https://hackerone.com/reports/1135481", "refsource": "MISC", "url": "https://hackerone.com/reports/1135481"}]}, "source": {"advisory": "GHSA-xhxq-f4vg-jw5g", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T01:58:18.181Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-xhxq-f4vg-jw5g"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/nextcloud/spreed/pull/542"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://hackerone.com/reports/1135481"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-39222", "datePublished": "2021-11-15T18:30:13", "dateReserved": "2021-08-16T00:00:00", "dateUpdated": "2024-08-04T01:58:18.181Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}