GitHub Advisoryadvisory · Packagist
GHSA-hj6f-7hp7-xg69 Mautic vulnerable to SSRF via webhook function
LOW
Official page ↗
- Aliases
- CVE-2025-9821
- Ecosystem
- Packagist
- Packages
- mautic/core
- Severity
- Low
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
- Weaknesses
- CWE-918
- Reviewed
- 2025-09-03
Affected packages
• Packagist mautic/core: >= 4.4.0, < 4.4.17 → fixed in 4.4.17
• Packagist mautic/core: >= 5.0.0-alpha, < 5.2.8 → fixed in 5.2.8
• Packagist mautic/core: >= 6.0.0-alpha, < 6.0.5 → fixed in 6.0.5
Description
Summary
Users with webhook permissions can conduct SSRF via webhooks. If they have permission to view the webhook logs, the (partial) request response is also disclosed
Details
When sending webhooks, the destination is not validated, causing SSRF.
Impact
Bypass of firewalls to interact with internal services.
See https://owasp.org/Top10/A10_2021-Server-Side_Request_Forgery_%28SSRF%29/ for more potential impact.
Resources
https://cheatsheetseries.owasp.org/cheatsheets/Server_Side_Request_Forgery_Prevention_Cheat_Sheet.html for more information on SSRF and its fix
Related
Alias · CVE (1)
- CVE-2025-9821 SummaryUsers with webhook permissions can conduct SSRF via webhooks. vulnerability
Weakness · CWE (1)
- CWE-918 Server-Side Request Forgery weakness
References
- https://github.com/mautic/mautic/security/advisories/GHSA-hj6f-7hp7-xg69 web
- https://nvd.nist.gov/vuln/detail/CVE-2025-9821 advisory
- https://github.com/mautic/mautic/commit/6084f6de4c88d1aeb5f6c73ea4fe1b09c98ea52b web
- https://github.com/mautic/mautic/commit/dc5bb1466c9a48fd34768dc8ff5888716b2916ba web
- https://github.com/mautic/mautic package