{"id":13829,"date":"2025-08-21T02:40:47","date_gmt":"2025-08-21T02:40:47","guid":{"rendered":"http:\/\/localhost\/?p=13829"},"modified":"2025-08-21T02:40:47","modified_gmt":"2025-08-21T02:40:47","slug":"import-path-traversal-enables-unauthorized-unsigned-plugin-installation","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=13829","title":{"rendered":"Import Path Traversal Enables Unauthorized Unsigned Plugin Installation_CVE-2025-36530"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;Mattermost versions 10.9.x \\u003c= 10.9.1, 10.8.x \\u003c= 10.8.3, 10.5.x \\u003c= 10.5.8, 9.11.x \\u003c= 9.11.17 fail to properly validate file paths during plugin import operations which allows restricted admin users to install unauthorized custom plugins via path traversal in the import functionality, bypassing plugin signature enforcement and marketplace restrictions.&#8221;,&#8221;published&#8221;:&#8221;2025-08-21T07:11:43.241Z&#8221;,&#8221;modified&#8221;:&#8221;2025-08-21T07:11:43.241Z&#8221;,&#8221;type&#8221;:&#8221;cve&#8221;,&#8221;title&#8221;:&#8221;Import Path Traversal Enables Unauthorized Unsigned Plugin Installation&#8221;,&#8221;source&#8221;:&#8221;Mattermost&#8221;,&#8221;references&#8221;:&#8221;https:\/\/mattermost.com\/security-updates&#8221;,&#8221;id&#8221;:&#8221;CVE-2025-36530&#8243;,&#8221;bulletinFamily&#8221;:&#8221;&#8221;,&#8221;cwe&#8221;:[&#8220;CWE-22&#8243;],&#8221;cvelist&#8221;:null,&#8221;sourceData&#8221;:&#8221;Mattermost Mattermost 10.9.0\\nMattermost Mattermost 10.8.0\\nMattermost Mattermost 10.5.0\\nMattermost Mattermost 9.11.0&#8243;,&#8221;sourceHref&#8221;:&#8221;&#8221;,&#8221;cvss&#8221;:{&#8220;score&#8221;:6.8,&#8221;severity&#8221;:&#8221;MEDIUM&#8221;,&#8221;vector&#8221;:&#8221;CVSS:3.1\/AV:N\/AC:L\/PR:H\/UI:N\/S:C\/C:H\/I:N\/A:N&#8221;,&#8221;version&#8221;:&#8221;3.1&#8243;},&#8221;cvss2&#8243;:{},&#8221;cvss3&#8243;:{&#8220;version&#8221;:&#8221;&#8221;,&#8221;vectorString&#8221;:&#8221;&#8221;,&#8221;baseScore&#8221;:0,&#8221;baseSeverity&#8221;:&#8221;&#8221;,&#8221;attackVector&#8221;:&#8221;&#8221;,&#8221;attackComplexity&#8221;:&#8221;&#8221;,&#8221;privilegesRequired&#8221;:&#8221;&#8221;,&#8221;userInteraction&#8221;:&#8221;&#8221;,&#8221;scope&#8221;:&#8221;&#8221;,&#8221;confidentialityImpact&#8221;:&#8221;&#8221;,&#8221;integrityImpact&#8221;:&#8221;&#8221;,&#8221;availabilityImpact&#8221;:&#8221;&#8221;,&#8221;cvssV3&#8243;:{&#8220;version&#8221;:&#8221;&#8221;,&#8221;vectorString&#8221;:&#8221;&#8221;,&#8221;baseScore&#8221;:0,&#8221;baseSeverity&#8221;:&#8221;&#8221;,&#8221;attackVector&#8221;:&#8221;&#8221;,&#8221;attackComplexity&#8221;:&#8221;&#8221;,&#8221;privilegesRequired&#8221;:&#8221;&#8221;,&#8221;userInteraction&#8221;:&#8221;&#8221;,&#8221;scope&#8221;:&#8221;&#8221;,&#8221;confidentialityImpact&#8221;:&#8221;&#8221;,&#8221;integrityImpact&#8221;:&#8221;&#8221;,&#8221;availabilityImpact&#8221;:&#8221;&#8221;}},&#8221;href&#8221;:&#8221;&#8221;,&#8221;category_name&#8221;:&#8221;CVE&#8221;,&#8221;post_link&#8221;:&#8221;&#8221;,&#8221;product&#8221;:&#8221;Mattermost&#8221;,&#8221;version&#8221;:&#8221;10.9.0&#8243;,&#8221;vendor&#8221;:&#8221;Mattermost&#8221;,&#8221;ai_description&#8221;:&#8221;&#8221;,&#8221;ai_severity&#8221;:&#8221;&#8221;,&#8221;ai_vendor&#8221;:&#8221;&#8221;,&#8221;ai_product&#8221;:&#8221;&#8221;,&#8221;ai_version&#8221;:&#8221;&#8221;,&#8221;ai_score&#8221;:0}<\/p>\n","protected":false},"excerpt":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;Mattermost versions 10.9.x \\u003c= 10.9.1, 10.8.x \\u003c= 10.8.3, 10.5.x \\u003c= 10.5.8, 9.11.x \\u003c= 9.11.17 fail to properly validate file paths during plugin import operations which&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[6,8,25,12,21,13,7,11,5],"class_list":["post-13829","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-68","tag-exploit","tag-medium","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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