{"id":"CVE-2025-9072","sourceIdentifier":"responsibledisclosure@mattermost.com","published":"2025-09-15T11:15:34.183","lastModified":"2026-10-19T17:10:00.173","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"Mattermost versions 10.10.x <= 10.10.1, 10.5.x <= 10.5.9, 10.9.x <= 10.9.4 fail to validate the redirect_to parameter, allowing an attacker to craft a malicious link that, once a user authenticates with their SAML provider, could post the user’s cookies to an attacker-controlled URL."},{"lang":"es","value":"Las versiones de Mattermost 10.10.x menor o igual que 10.10.1, 10.5.x menor o igual que 10.5.9, 10.9.x menor o igual que 10.9.4 no validan el parámetro redirect_to, permitiendo a un atacante crear un enlace malicioso que, una vez que un usuario se autentica con su proveedor SAML, podría publicar las cookies del usuario a una URL controlada por el atacante."}],"affected":[{"source":"responsibledisclosure@mattermost.com","affectedData":[{"vendor":"Mattermost","product":"Mattermost","defaultStatus":"unaffected","versions":[{"version":"10.10.0","lessThanOrEqual":"10.10.1","versionType":"semver","status":"affected"},{"version":"10.5.0","lessThanOrEqual":"10.5.9","versionType":"semver","status":"affected"},{"version":"10.9.0","lessThanOrEqual":"10.9.4","versionType":"semver","status":"affected"},{"version":"10.11.0","status":"unaffected"},{"version":"10.10.2","status":"unaffected"},{"version":"10.5.10","status":"unaffected"},{"version":"10.9.5","status":"unaffected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"responsibledisclosure@mattermost.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L","baseScore":7.6,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"LOW"},"exploitabilityScore":2.1,"impactScore":5.5},{"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}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2025-09-15T12:03:54.190037Z","id":"CVE-2025-9072","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"responsibledisclosure@mattermost.com","type":"Secondary","description":[{"lang":"en","value":"CWE-601"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","versionStartIncluding":"10.5.0","versionEndExcluding":"10.5.10","matchCriteriaId":"49F6AD20-31EC-46B8-BC90-A70417C4B39A"},{"vulnerable":true,"criteria":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","versionStartIncluding":"10.9.0","versionEndExcluding":"10.9.5","matchCriteriaId":"516BC5C5-D5B7-4FA8-BAC2-3999A7F76899"},{"vulnerable":true,"criteria":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","versionStartIncluding":"10.10.0","versionEndExcluding":"10.10.2","matchCriteriaId":"F3861BBC-7E0F-4782-9666-4EF12C1ABDF5"}]}]}],"references":[{"url":"https://mattermost.com/security-updates","source":"responsibledisclosure@mattermost.com","tags":["Vendor Advisory"]}]}