{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-10T05:11:14.013","vulnerabilities":[{"cve":{"id":"CVE-2022-21649","sourceIdentifier":"security-advisories@github.com","published":"2022-01-04T21:15:07.883","lastModified":"2024-11-21T06:45:09.153","vulnStatus":"Modified","cveTags":[],"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 código 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"}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N","baseScore":7.6,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.3,"impactScore":4.7},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","baseScore":5.4,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.3,"impactScore":2.7}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:S/C:N/I:P/A:N","baseScore":3.5,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"SINGLE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE"},"baseSeverity":"LOW","exploitabilityScore":6.8,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-79"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-79"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:convos:convos:*:*:*:*:*:*:*:*","versionEndExcluding":"6.52","matchCriteriaId":"DA5BCD6B-4CE6-430F-BD22-D399291AEFDB"}]}]}],"references":[{"url":"https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#Second-vulnerability","source":"security-advisories@github.com","tags":["Broken Link","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":["Patch","Third Party Advisory"]},{"url":"https://www.huntr.dev/bounties/4532a0ac-4e7c-4fcf-9fe3-630e132325c0/","source":"security-advisories@github.com","tags":["Exploit","Patch","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":["Broken Link","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":["Patch","Third Party Advisory"]},{"url":"https://www.huntr.dev/bounties/4532a0ac-4e7c-4fcf-9fe3-630e132325c0/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Patch","Third Party Advisory"]}]}}]}