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.

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…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (1.4th percentile) — read the EPSS interpretation.

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.

Affected products

Welovemedia Ffmate — versions 2.0.0, 2.0.1, 2.0.2

Weakness classification (CWE)

References

VDB-354444 | welovemedia FFmate Webhook AppJsonTreeView.vue cross site scripting (vdb-entry)
VDB-354444 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
Submit #780615 | welovemedia FFmate <= v2.0.15 Cross Site Scripting (third-party-advisory)
cna@vuldb.com (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.