CVE-2025-9821: mautic Server-Side Request Forgery (SSRF)
Vulnerability summary
CVE-2025-9821 is a low (CVSS 2.7) Server-Side Request Forgery (SSRF) vulnerability in mautic. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 21.9% of scored vulnerabilities.
Timeline
- 03-09-2025PublishedVulnerability first disclosed.
- 03-09-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST2.7LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
EPSS trend
Probability
0.30%
Chance of exploitation in the next 30 days
Percentile
22%
Versus all other CVEs
30-day change
0.00 pp
From 0.30% on 22-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Mautic1 product
- mautic≥ >= 4.4.0, ≤ < 4.4.17 | ≥ >= 5.0.0-alpha, ≤ < 5.2.8 | ≥ >= 6.0.0-alpha, ≤ < 6.0.5
1 vendor · 1 product