{"id":"CVE-2026-3155","aliases":["EUVD-2026-23219","GHSA-qw58-mhg6-q49h"],"status":"published","title":"OneSignal – Web Push Notifications \u003c= 3.8.0 - Missing Authorization to Authenticated (Subscriber+) Post Meta Deletion via 'post_id'","description":"The OneSignal – Web Push Notifications plugin for WordPress is vulnerable to authorization bypass in versions up to, and including, 3.8.0. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to delete OneSignal metadata for arbitrary posts.","severity":{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00324,"percentile":0.25599,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-04-16T11:21:22Z","modified":"2026-06-17T10:43:08Z","products":[{"vendor":"onesignal","product":"onesignal – web push notifications"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/58337bbc-ba10-4876-b91c-78657afc67d1?source=cve"},{"url":"https://plugins.trac.wordpress.org/changeset/3501190/onesignal-free-web-push-notifications"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-3155"},{"url":"https://github.com/advisories/GHSA-qw58-mhg6-q49h"}],"sources":{"cve":[{"id":"CVE-2026-3155","title":"OneSignal – Web Push Notifications \u003c= 3.8.0 - Missing Authorization to Authenticated (Subscriber+) Post Meta Deletion via 'post_id'","description":"The OneSignal – Web Push Notifications plugin for WordPress is vulnerable to authorization bypass in versions up to, and including, 3.8.0. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to delete OneSignal metadata for arbitrary posts.","status":"published","published":"2026-04-16T11:21:22.226Z","modified":"2026-04-16T14:00:56.681Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T13:49:09.229322Z"}],"euvd":[{"id":"EUVD-2026-23219","description":"The OneSignal – Web Push Notifications plugin for WordPress is vulnerable to authorization bypass in versions up to, and including, 3.8.0. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to delete OneSignal metadata for arbitrary posts.","status":"published","published":"2026-04-16T11:21:22Z","modified":"2026-04-16T14:00:56Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T19:24:24.386229Z"}],"ghsa":[{"id":"GHSA-qw58-mhg6-q49h","title":"The OneSignal – Web Push Notifications plugin for WordPress is vulnerable to authorization bypass...","description":"The OneSignal – Web Push Notifications plugin for WordPress is vulnerable to authorization bypass in versions up to, and including, 3.8.0. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to delete OneSignal metadata for arbitrary posts.","status":"published","published":"2026-04-16T12:31:41Z","modified":"2026-04-16T12:31:47Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:07:31.233383Z"}],"nvd":[{"id":"CVE-2026-3155","description":"The OneSignal – Web Push Notifications plugin for WordPress is vulnerable to authorization bypass in versions up to, and including, 3.8.0. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to delete OneSignal metadata for arbitrary posts.","status":"published","published":"2026-04-16T12:16:07.507Z","modified":"2026-06-17T10:43:08.173Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:14.748836Z"}]}}