{"containers": {"cna": {"affected": [{"product": "convos", "vendor": "convos-chat", "versions": [{"status": "affected", "version": ">= 6.49, < 6.52"}]}], "descriptions": [{"lang": "en", "value": "Convos is an open source multi-user chat that runs in a web browser. Characters starting with \"https://\" in the chat window create an <a> tag. Stored XSS vulnerability using onfocus and autofocus occurs because escaping exists for \"<\" or \">\" but escaping for double quotes does not exist. Through this vulnerability, an attacker is capable to execute malicious scripts. Users are advised to update as soon as possible."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.6, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/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": "2022-01-04T20:40:20", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#Second-vulnerability"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/convos-chat/convos/commit/86b2193de375005ba71d9dd53843562c6ac1847c"}, {"tags": ["x_refsource_MISC"], "url": "https://www.huntr.dev/bounties/4532a0ac-4e7c-4fcf-9fe3-630e132325c0/"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/convos-chat/convos/security/advisories/GHSA-xmpj-xwm3-vww7"}], "source": {"advisory": "GHSA-xmpj-xwm3-vww7", "discovery": "UNKNOWN"}, "title": "Stored XSS via attribute in convos", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2022-21649", "STATE": "PUBLIC", "TITLE": "Stored XSS via attribute in convos"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "convos", "version": {"version_data": [{"version_value": ">= 6.49, < 6.52"}]}}]}, "vendor_name": "convos-chat"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Convos is an open source multi-user chat that runs in a web browser. Characters starting with \"https://\" in the chat window create an <a> tag. Stored XSS vulnerability using onfocus and autofocus occurs because escaping exists for \"<\" or \">\" but escaping for double quotes does not exist. Through this vulnerability, an attacker is capable to execute malicious scripts. Users are advised to update as soon as possible."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.6, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/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://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#Second-vulnerability", "refsource": "MISC", "url": "https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#Second-vulnerability"}, {"name": "https://github.com/convos-chat/convos/commit/86b2193de375005ba71d9dd53843562c6ac1847c", "refsource": "MISC", "url": "https://github.com/convos-chat/convos/commit/86b2193de375005ba71d9dd53843562c6ac1847c"}, {"name": "https://www.huntr.dev/bounties/4532a0ac-4e7c-4fcf-9fe3-630e132325c0/", "refsource": "MISC", "url": "https://www.huntr.dev/bounties/4532a0ac-4e7c-4fcf-9fe3-630e132325c0/"}, {"name": "https://github.com/convos-chat/convos/security/advisories/GHSA-xmpj-xwm3-vww7", "refsource": "CONFIRM", "url": "https://github.com/convos-chat/convos/security/advisories/GHSA-xmpj-xwm3-vww7"}]}, "source": {"advisory": "GHSA-xmpj-xwm3-vww7", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T02:46:39.529Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#Second-vulnerability"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/convos-chat/convos/commit/86b2193de375005ba71d9dd53843562c6ac1847c"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.huntr.dev/bounties/4532a0ac-4e7c-4fcf-9fe3-630e132325c0/"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/convos-chat/convos/security/advisories/GHSA-xmpj-xwm3-vww7"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2022-21649", "datePublished": "2022-01-04T20:40:20", "dateReserved": "2021-11-16T00:00:00", "dateUpdated": "2024-08-03T02:46:39.529Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:convos:convos:*:*:*:*:*:*:*:*", "matchCriteriaId": "DA5BCD6B-4CE6-430F-BD22-D399291AEFDB", "versionEndExcluding": "6.52", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Convos is an open source multi-user chat that runs in a web browser. Characters starting with \"https://\" in the chat window create an <a> tag. Stored XSS vulnerability using onfocus and autofocus occurs because escaping exists for \"<\" or \">\" but escaping for double quotes does not exist. Through this vulnerability, an attacker is capable to execute malicious scripts. Users are advised to update as soon as possible."}, {"lang": "es", "value": "Convos es un chat multiusuario de c\u00f3digo abierto que es ejecutado en un navegador web. Los caracteres que empiezan por \"https://\" en la ventana de chat crean una etiqueta (a). Una vulnerabilidad de tipo XSS almacenada que usa onfocus y autofocus se produce porque el escape se presenta para \"(\" o \")\" pero el escape para las comillas dobles no se presenta. Mediante esta vulnerabilidad, un atacante es capaz de ejecutar scripts maliciosos. Se aconseja a usuarios que actualicen lo antes posible"}], "id": "CVE-2022-21649", "lastModified": "2024-11-21T06:45:09.153", "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": 7.6, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 4.7, "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": "2022-01-04T21:15:07.883", "references": [{"source": "security-advisories@github.com", "tags": ["Broken Link", "Third Party Advisory"], "url": "https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#Second-vulnerability"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/convos-chat/convos/commit/86b2193de375005ba71d9dd53843562c6ac1847c"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/convos-chat/convos/security/advisories/GHSA-xmpj-xwm3-vww7"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://www.huntr.dev/bounties/4532a0ac-4e7c-4fcf-9fe3-630e132325c0/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link", "Third Party Advisory"], "url": "https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#Second-vulnerability"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/convos-chat/convos/commit/86b2193de375005ba71d9dd53843562c6ac1847c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/convos-chat/convos/security/advisories/GHSA-xmpj-xwm3-vww7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://www.huntr.dev/bounties/4532a0ac-4e7c-4fcf-9fe3-630e132325c0/"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}