CVE-2026-90943

HIGHPre-NVD 8.78.7—
EchelonGraph scoreHIGH confidence

Score 8.7 from GitHub Security Advisory (severity: CRITICAL) published 2026-09-14. a secondary CVSS source baseline 8.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
8.7EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.7Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
8.7
EG Score
8.7(high)
EG Risk
39(Track)
EG Risk 39/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity87% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
15%
KEV
Not listed

Published

September 14, 2026

Last Modified

September 14, 2026

Advisory Details (5)

Auto-updated Sep 14, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

parallax filament-comments through 3.0.0 Stored XSS via Comment Body | Advisories | VulnCheck

https://www.vulncheck.com/advisories/parallax-filament-comments-through-3.0.0-stored-xss-via-comment-body
generic

parallax/filament-comments - Packagist.org

https://packagist.org/packages/parallax/filament-comments
generic

filament-comments/src/Policies/FilamentCommentPolicy.php at 3.0.0 · parallax/filament-comments · GitHub

https://github.com/parallax/filament-comments/blob/3.0.0/src/Policies/FilamentCommentPolicy.php
generic

filament-comments/resources/views/comments.blade.php at 3.0.0 · parallax/filament-comments · GitHub

https://github.com/parallax/filament-comments/blob/3.0.0/resources/views/comments.blade.php
generic🟡 PoC Available

Stored XSS Filament Comments: CVE Research - HackIndex

https://hackindex.io/research/stored-xss-filament-comments-unescaped-rendering

Vendor Advisories for CVE-2026-90943(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 31× in last 7d / 31× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-21 09:18 UTCGHSA enrichment
  2. 2026-09-20 21:18 UTCEG score recompute
  3. 2026-09-20 21:18 UTCGHSA enrichment
  4. 2026-09-20 20:16 UTCEPSS rescore
  5. 2026-09-20 09:18 UTCGHSA enrichment
  6. 2026-09-19 21:17 UTCEG score recompute
  7. 2026-09-19 21:17 UTCGHSA enrichment
  8. 2026-09-19 09:17 UTCGHSA enrichment
  9. 2026-09-18 21:15 UTCEG score recompute
  10. 2026-09-18 21:15 UTCGHSA enrichment
  11. 2026-09-18 19:28 UTCEPSS rescore
  12. 2026-09-18 09:12 UTCGHSA enrichment
  13. 2026-09-17 21:12 UTCEG score recompute
  14. 2026-09-17 21:12 UTCGHSA enrichment
  15. 2026-09-17 19:32 UTCEPSS rescore
  16. 2026-09-17 09:12 UTCGHSA enrichment
  17. 2026-09-16 21:12 UTCEG score recompute
  18. 2026-09-16 21:12 UTCGHSA enrichment
  19. 2026-09-16 14:09 UTCEPSS rescore
  20. 2026-09-16 08:49 UTCEG score recompute
  21. 2026-09-16 08:48 UTCGHSA enrichment
  22. 2026-09-16 05:15 UTCEPSS rescore
  23. 2026-09-15 20:47 UTCGHSA enrichment
  24. 2026-09-15 08:24 UTCGHSA enrichment
  25. 2026-09-14 20:24 UTCEG score recompute
Show 6 more
  1. 2026-09-14 20:23 UTCGHSA enrichment
  2. 2026-09-14 20:15 UTCEG score recompute
  3. 2026-09-14 20:15 UTCGHSA enrichment
  4. 2026-09-14 16:24 UTCEG score recompute
  5. 2026-09-14 15:45 UTCEG score recompute
  6. 2026-09-14 15:44 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-90943?
CVE-2026-90943 is a high vulnerability published on September 14, 2026. 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…
When was CVE-2026-90943 disclosed?
CVE-2026-90943 was first published in the National Vulnerability Database on September 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-90943 actively exploited?
CVE-2026-90943 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 85.1% of all scored CVEs.
What is the CVSS score of CVE-2026-90943?
CVE-2026-90943 has a CVSS v3 base score of 8.7 (NVD).
How do I remediate CVE-2026-90943?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-90943, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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