{"id":"CVE-2026-119565","published":"2026-10-30T12:16:44.140","lastModified":"2026-10-30T19:23:25.493","description":"Plausible Analytics through 3.2.1 contains a mass assignment vulnerability in update_traffic_change_notification that allows authenticated site editors to reassign notifications by supplying a site_id parameter. Attackers can submit traffic_change_notification[site_id] set to another site's primary key via PUT /sites/:domain/traffic-change-notification/:type to receive that site's traffic alerts and visitor figures.","cvssScore":4.3,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","cwes":["CWE-915"],"vendors":[],"products":[],"references":[{"url":"https://abraxaslabs.tech/research/plausible-traffic-notify","tags":[]},{"url":"https://github.com/plausible/analytics","tags":[]},{"url":"https://github.com/plausible/analytics/blob/v3.2.1/lib/plausible/site/traffic_change_notification.ex#L21","tags":[]},{"url":"https://github.com/plausible/analytics/blob/v3.2.1/lib/plausible_web/controllers/site_controller.ex#L481-L494","tags":[]},{"url":"https://www.vulncheck.com/advisories/plausible-analytics-through-3.2.1-mass-assignment-via-traffic-change-notification-update","tags":[]}],"exploitRefs":[{"url":"https://github.com/plausible/analytics","tags":[]},{"url":"https://github.com/plausible/analytics/blob/v3.2.1/lib/plausible/site/traffic_change_notification.ex#L21","tags":[]},{"url":"https://github.com/plausible/analytics/blob/v3.2.1/lib/plausible_web/controllers/site_controller.ex#L481-L494","tags":[]}],"hasPoc":true,"ai":null}