High severity · published Sep 14, 2026
CVE-2026-90943
parallax filament-comments through 3.0.0 Stored XSS via Comment Body
8.7
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
High
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
filament-comments · parallax
through 3.0.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-90943
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-90943
github.com
https://github.com/parallax/filament-comments/blob/3.0.0/resources/views/comments.blade.php
github.com
https://github.com/parallax/filament-comments/blob/3.0.0/src/Policies/FilamentCommentPolicy.php
hackindex.io
https://hackindex.io/research/stored-xss-filament-comments-unescaped-rendering
packagist.org
https://packagist.org/packages/parallax/filament-comments
www.vulncheck.com
https://www.vulncheck.com/advisories/parallax-filament-comments-through-3.0.0-stored-xss-via-comment-body