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Vulnerability record · CVE-2026-55409 · published 22 June 2026

CVE-2026-55409: Cross-site scripting vulnerability

Filament is a collection of full-stack components for accelerated Laravel development. From 3.0.0 until 3.3.53, a disabled RichEditor field rendered its raw state without sanitizing HTML. Where the data stored in this field's state isn't sanitized already when the form state was filled, an attacker could plant malicious HTML or JavaScript and achieve XSS that executes for users who view the form. This vulnerability is fixed in 3.3.53.

7.6 CVSS 3.1 High EPSS 0.28% · top 81.2% CWE-79 · Cross-site scripting Deferred
7.6CVSS 3.1 base score
0.28%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
23 Jun 2026Last modified by NVD

Description

Filament is a collection of full-stack components for accelerated Laravel development. From 3.0.0 until 3.3.53, a disabled RichEditor field rendered its raw state without sanitizing HTML. Where the data stored in this field's state isn't sanitized already when the form state was filled, an attacker could plant malicious HTML or JavaScript and achieve XSS that executes for users who view the form. This vulnerability is fixed in 3.3.53.

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N

References

LinkTags
https://github.com/filamentphp/filament/security/advisories/GHSA-m9cv-24rx-8mv7

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Source: NIST National Vulnerability Database (record CVE-2026-55409), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.