CVE-2026-5254: welovemedia FFmate Webhook AppJsonTreeView.vue cross site scripting

Severity: low (CVSS 3.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-01 · updated 2026-10-26
Weakness: CWE-79

Description

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.

Affected products

welovemedia FFmate: 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5 (+10)

References

https://github.com/CC-T-454455/Vulnerabilities/tree/master/ffmate/vulnerability-2
https://vuldb.com/submit/780615
https://vuldb.com/vuln/354444
https://vuldb.com/vuln/354444/cti

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