Vulnerability · Published Sep 14, 2026 · Assigned by VulnCheck

CVE-2026-90943parallax filament-comments through 3.0.0 Stored XSS via Comment Body

High 8.7

In plain English

A high-severity cross-site scripting in filament-comments from parallax. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities).

Severity (CVSS 3.1)8.7High

Exploit odds (30 days)0.4%top 62.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

parallax filament-comments through 3.0.0 contains a stored cross-site scripting vulnerability in comment body rendering that allows authenticated panel users to inject malicious scripts. Attackers can store XSS payloads in comment bodies that execute in the browsers of other users viewing those comments, including administrators, enabling session token theft and unauthorized actions.

Affected products (as reported)

Vendor	Product	Versions
parallax	filament-comments	0 – through 3.0.0

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

References

HackIndex: Stored XSS in parallax/filament-comments through unescaped comment rendering third-party-advisory, technical-description
https://github.com/parallax/filament-comments/blob/3.0.0/resources/views/comments.blade.php technical-description
https://github.com/parallax/filament-comments/blob/3.0.0/src/Policies/FilamentCommentPolicy.php technical-description
https://packagist.org/packages/parallax/filament-comments product
VulnCheck Advisory: parallax filament-comments through 3.0.0 Stored XSS via Comment Body third-party-advisory