{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-09-30T14:14:48.401","vulnerabilities":[{"cve":{"id":"CVE-2021-37633","sourceIdentifier":"security-advisories@github.com","published":"2021-08-09T20:15:07.597","lastModified":"2026-06-17T04:00:52.287","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Discourse is an open source discussion platform. In versions prior to 2.7.8 rendering of d-popover tooltips can be susceptible to XSS attacks. This vulnerability only affects sites which have modified or disabled Discourse's default Content Security Policy. This issue is patched in the latest `stable` 2.7.8 version of Discourse. As a workaround users may ensure that the Content Security Policy is enabled, and has not been modified in a way which would make it more vulnerable to XSS attacks."},{"lang":"es","value":"Discourse es una plataforma de discusión de código abierto. En versiones anteriores a 2.7.8, la representación de los tooltips de d-popover puede ser susceptible de ataques de tipo XSS. Esta vulnerabilidad sólo afecta a los sitios que han modificado o desactivado la política de seguridad de contenidos predeterminada de Discourse. Este problema está parcheado en la última versión \"stable\" 2.7.8 de Discourse. Como solución, los usuarios pueden asegurarse de que la política de seguridad de contenidos está activada y no ha sido modificada de forma que sea más vulnerable a ataques de tipo XSS"}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"discourse","product":"discourse","versions":[{"version":"< 2.7.8","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N","baseScore":7.4,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":4.0},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","baseScore":6.1,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":2.7}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:P/A:N","baseScore":4.3,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":8.6,"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:discourse:discourse:*:*:*:*:*:*:*:*","versionEndExcluding":"2.7.8","matchCriteriaId":"2A85C6E2-A78D-47B2-AE03-A12AE6A2E8BD"},{"vulnerable":true,"criteria":"cpe:2.3:a:discourse:discourse:2.8.0:beta2:*:*:*:*:*:*","matchCriteriaId":"B9AE12FE-0396-4843-8D30-D8C44FAE01DA"},{"vulnerable":true,"criteria":"cpe:2.3:a:discourse:discourse:2.8.0:beta3:*:*:*:*:*:*","matchCriteriaId":"F101AEAB-4FB7-4BE3-931B-595702D616C7"}]}]}],"references":[{"url":"https://github.com/discourse/discourse/commit/38199424bc840d2ef002cd1e9bffdbb99191eb47","source":"security-advisories@github.com","tags":["Patch","Third Party Advisory"]},{"url":"https://github.com/discourse/discourse/security/advisories/GHSA-v3v8-3m5w-pjp9","source":"security-advisories@github.com","tags":["Third Party Advisory"]},{"url":"https://github.com/discourse/discourse/commit/38199424bc840d2ef002cd1e9bffdbb99191eb47","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"]},{"url":"https://github.com/discourse/discourse/security/advisories/GHSA-v3v8-3m5w-pjp9","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}