CVE-2025-9821

SSRF via webhook function

State: Published
Severity: 2.7 Low
Published: Sep 3, 2025
Updated: Sep 3, 2025
Reserved: Sep 2, 2025

Description

SummaryUsers with webhook permissions can conduct SSRF via webhooks. If they have permission to view the webhook logs, the (partial) request response is also disclosed

DetailsWhen sending webhooks, the destination is not validated, causing SSRF.

ImpactBypass 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.

Scores

CVSS	Score	Vector	Source
3.1	2.7 Low	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N	Mautic

Weaknesses

CWE-918 Server-Side Request Forgery (SSRF)

Affected Products

Product	Versions
MauticMautic	>= 4.4.0 through < 4.4.17Affected >= 5.0.0-alpha through < 5.2.8Affected >= 6.0.0-alpha through < 6.0.5Affected

References

https://github.com/mautic/mautic/security/advisories/GHSA-hj6f-7hp7-xg69

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