{"id":"CVE-2025-9821","aliases":["GHSA-hj6f-7hp7-xg69"],"url":"https://o3.security/vulnerability/CVE-2025-9821","summary":"SSRF via webhook function","details":"### Summary\nUsers with webhook permissions can conduct SSRF via webhooks. If they have permission to view the webhook logs, the (partial) request response is also disclosed\n\n### Details\nWhen sending webhooks, the destination is not validated, causing SSRF.\n\n### Impact\nBypass of firewalls to interact with internal services. \nSee https://owasp.org/Top10/A10_2021-Server-Side_Request_Forgery_%28SSRF%29/ for more potential impact.\n\n### Resources\nhttps://cheatsheetseries.owasp.org/cheatsheets/Server_Side_Request_Forgery_Prevention_Cheat_Sheet.html for more information on SSRF and its fix","published":"2025-09-03T09:39:01.005Z","modified":"2026-08-12T03:51:34.824578741Z","cvss":{"score":2.7,"severity":"LOW","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N"},"epss":{"score":0.00304,"percentile":0.22431,"asOf":"2026-08-24"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"mautic/core","fixedVersion":"4.4.17"},{"ecosystem":"Packagist","name":"mautic/core","fixedVersion":"5.2.8"},{"ecosystem":"Packagist","name":"mautic/core","fixedVersion":"6.0.5"}],"fix":{"url":"https://github.com/mautic/mautic/commit/6084f6de4c88d1aeb5f6c73ea4fe1b09c98ea52b","label":"mautic/mautic@6084f6d"},"references":[{"type":"WEB","url":"https://packagist.org"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/9xxx/CVE-2025-9821.json"},{"type":"ADVISORY","url":"https://github.com/mautic/mautic/security/advisories/GHSA-hj6f-7hp7-xg69"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-9821"},{"type":"PACKAGE","url":"https://github.com/mautic/mautic"},{"type":"WEB","url":"https://github.com/mautic/mautic/commit/6084f6de4c88d1aeb5f6c73ea4fe1b09c98ea52b"},{"type":"WEB","url":"https://github.com/mautic/mautic/commit/dc5bb1466c9a48fd34768dc8ff5888716b2916ba"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:34.824578741Z"}}