---
title: "contao/comments-bundle — CVE-2026-107845"
description: "A cross-site scripting flaw affects the Composer package contao/comments-bundle. Affected versions: >= 4.0.0, < 5.3.50. Fixed from version 5.3.50. CVSS score 9.3."
canonical: https://inyourgeek.com/en/failles-de-securite/2026-10-09-cve-2026-107845
type: faille-de-securite
author: "Sébastien Soulier"
publisher: "InYourGeek"
language: en
datePublished: 2026-10-09
dateModified: 2026-10-09
---
# contao/comments-bundle — CVE-2026-107845

A cross-site scripting flaw affects the Composer package contao/comments-bundle. Affected versions: >= 4.0.0, < 5.3.50. Fixed from version 5.3.50. CVSS score 9.3.

## What to do

Update contao/comments-bundle to 5.3.50 or later.

| Fact | Value |
| --- | --- |
| Package | contao/comments-bundle |
| Ecosystem | Composer (PHP) |
| Class | Cross-site scripting |
| Affected versions | >= 4.0.0, < 5.3.50 |
| Fixed version | 5.3.50 |
| CVSS | 9.3 |
| CVE | CVE-2026-107845 |
| GHSA | GHSA-628f-v4f6-p37r |
| Published on | October 9, 2026 |
| Severity | Critical |

## Sources

- [GitHub Security Advisory — GHSA-628f-v4f6-p37r](https://github.com/advisories/GHSA-628f-v4f6-p37r) — GitHub Security Advisories
- [NVD — CVE-2026-107845](https://nvd.nist.gov/vuln/detail/CVE-2026-107845) — NVD

---

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