CVE-2025-9821 – mautic/core

Package

Manager: composer
Name: mautic/core
Vulnerable Version: >=4.4.0 <4.4.17 || >=5.0.0-alpha <5.2.8 || >=6.0.0-alpha <6.0.5

Severity

Level: Low

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

EPSS: 0.00019 pctl0.03364

Details

Mautic vulnerable to SSRF via webhook function ### 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

Metadata

Created: 2025-09-03T22:11:32Z
Modified: 2025-09-03T22:11:32Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/09/GHSA-hj6f-7hp7-xg69/GHSA-hj6f-7hp7-xg69.json
CWE IDs: ["CWE-918"]
Alternative ID: GHSA-hj6f-7hp7-xg69
Finding: F100
Auto approve: 1