{"id":"CVE-2025-13352","sourceIdentifier":"responsibledisclosure@mattermost.com","published":"2025-12-17T13:15:56.627","lastModified":"2026-10-13T11:10:00.203","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"Mattermost versions 10.11.x <= 10.11.6 and Mattermost GitHub plugin versions <=2.4.0 fail to validate plugin bot identity in reaction forwarding which allows attackers to hijack the GitHub reaction feature to make users add reactions to arbitrary GitHub objects via crafted notification posts."},{"lang":"es","value":"Las versiones de Mattermost 10.11.x menor o igual que 10.11.6 y las versiones del plugin de GitHub de Mattermost menor o igual que 2.4.0 no validan la identidad del bot del plugin en el reenvío de reacciones, lo que permite a los atacantes secuestrar la función de reacción de GitHub para hacer que los usuarios añadan reacciones a objetos arbitrarios de GitHub a través de publicaciones de notificación manipuladas."}],"affected":[{"source":"responsibledisclosure@mattermost.com","affectedData":[{"vendor":"Mattermost","product":"Mattermost","defaultStatus":"unaffected","versions":[{"version":"10.11.0","lessThanOrEqual":"10.11.6","versionType":"semver","status":"affected"},{"version":"11.1.0","status":"unaffected"},{"version":"10.11.7","status":"unaffected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"responsibledisclosure@mattermost.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:L/A:N","baseScore":3.0,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":1.3,"impactScore":1.4}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2025-12-17T15:05:37.727945Z","id":"CVE-2025-13352","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"responsibledisclosure@mattermost.com","type":"Secondary","description":[{"lang":"en","value":"CWE-1287"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","versionStartIncluding":"10.11.0","versionEndExcluding":"10.11.7","matchCriteriaId":"EB4AD9AE-B2DB-4D49-87AD-FA5F9CE6A0C8"}]}]}],"references":[{"url":"https://mattermost.com/security-updates","source":"responsibledisclosure@mattermost.com","tags":["Vendor Advisory"]}]}