RCE in Welovemedia Ffmate
CVE-2026-5254
A security vulnerability has been detected in welovemedia FFmate up to 2.0.15. Affected by this issue is some unknown functionality of the file /ui/app/components/AppJsonTreeView.vue of the component Webhook Handler. The manipulation leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (23.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 23.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
- Welovemedia Ffmate — versions 2.0.0, 2.0.1, 2.0.2
Weakness classification (CWE)
References
- vuldb.com/vuln/354444 (vdb-entry)
- vuldb.com/vuln/354444/cti (signature, permissions-required)
- vuldb.com/submit/780615 (third-party-advisory)
- github.com/CC-T-454455/Vulnerabilities/tree/master/ffmate/vulnerability-2 (exploit)
Frequently asked questions
- What is CVE-2026-5254?
- CVE-2026-5254 is a low-severity vulnerability in Welovemedia Ffmate, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-04-01.
- How severe is CVE-2026-5254?
- Low severity. CVSS v3 base score is 3.5 out of 10.