Filament: Disabled RichEditor field state can be used for XSS

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.

Scores

EPSS (exploitation in 30 days)

0.35% · top 71% of all CVEs (6 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: no · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.6.

Weakness

• CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (opens in a new tab)All about CWE-79 and its CVEs

Affected products

• filamentphp · filament

  • affected >= 3.0.0, < 3.3.53

Affected packages

From reviewed advisories of the GitHub Advisory Database.

• Packagistfilament/formsGHSA-m9cv-24rx-8mv7 (opens in a new tab)

References (3)

• https://github.com/filamentphp/filament/security/advisories/GHSA-m9cv-24rx-8mv7 (opens in a new tab)x_refsource_CONFIRM
• https://github.com/filamentphp/filament/pull/20029 (opens in a new tab)x_refsource_MISC
• https://github.com/filamentphp/filament/releases/tag/v3.3.53 (opens in a new tab)x_refsource_MISC

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisory GHSA-m9cv-24rx-8mv7 (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2026-55409](https://trackcve.app/badge/CVE-2026-55409.svg)](https://trackcve.app/cve/CVE-2026-55409)

Record last updated 3 Nov 2026, 19:21 UTC.