{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-09T00:27:49.461","vulnerabilities":[{"cve":{"id":"CVE-2025-54411","sourceIdentifier":"security-advisories@github.com","published":"2025-08-19T17:15:40.833","lastModified":"2025-08-25T18:25:52.673","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"Discourse is an open-source discussion platform. Welcome banner user name string for logged in users can be vulnerable to XSS attacks, which affect the user themselves or an admin impersonating them. Admins can temporarily alter the welcome_banner.header.logged_in_members site text to remove the preferred_display_name placeholder, or not impersonate\nany users for the time being. This vulnerability is fixed in 3.5.0.beta8."},{"lang":"es","value":"Discourse es una plataforma de discusión de código abierto. El nombre de usuario del banner de bienvenida para usuarios registrados puede ser vulnerable a ataques XSS, que afectan al usuario o a un administrador que se hace pasar por él. Los administradores pueden modificar temporalmente el texto del sitio welcome_banner.header.logged_in_members para eliminar el marcador de posición preferred_display_name o no suplantar a ningún usuario por el momento. Esta vulnerabilidad se corrigió en la versión 3.5.0.beta8."}],"metrics":{"cvssMetricV40":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":2.4,"baseSeverity":"LOW","attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"PASSIVE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"cvssMetricV31":[{"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}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-79"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:discourse:discourse:*:*:*:*:beta:*:*:*","versionEndExcluding":"3.5.0","matchCriteriaId":"A0A6583A-A8AE-4C05-8947-79A0E4A73E1D"},{"vulnerable":true,"criteria":"cpe:2.3:a:discourse:discourse:3.5.0:beta1:*:*:beta:*:*:*","matchCriteriaId":"66931995-F794-48F0-9DBB-9048B6C9D8DD"},{"vulnerable":true,"criteria":"cpe:2.3:a:discourse:discourse:3.5.0:beta2:*:*:beta:*:*:*","matchCriteriaId":"B0461B93-273C-4305-80F9-C70A100B4DFE"},{"vulnerable":true,"criteria":"cpe:2.3:a:discourse:discourse:3.5.0:beta3:*:*:beta:*:*:*","matchCriteriaId":"F1596D4E-FD8B-4443-AAAE-1D4AC6B1CE6D"},{"vulnerable":true,"criteria":"cpe:2.3:a:discourse:discourse:3.5.0:beta4:*:*:beta:*:*:*","matchCriteriaId":"997761D0-A8A1-438F-83DE-5E9E4890CEED"},{"vulnerable":true,"criteria":"cpe:2.3:a:discourse:discourse:3.5.0:beta5:*:*:beta:*:*:*","matchCriteriaId":"685B6537-929A-4DC9-8984-E114C5CB6E77"},{"vulnerable":true,"criteria":"cpe:2.3:a:discourse:discourse:3.5.0:beta6:*:*:beta:*:*:*","matchCriteriaId":"D9D71C7F-CDE7-41DE-84DF-ACE62AD829B2"},{"vulnerable":true,"criteria":"cpe:2.3:a:discourse:discourse:3.5.0:beta7:*:*:beta:*:*:*","matchCriteriaId":"7406D79F-ADD6-4AA6-95C9-7CC3EB19DFC8"}]}]}],"references":[{"url":"https://github.com/discourse/discourse/commit/a3374d2850f07444d113216e1d539ee21650dbff","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/discourse/discourse/security/advisories/GHSA-5mm6-j5vq-6884","source":"security-advisories@github.com","tags":["Mitigation","Third Party Advisory"]}]}}]}