---
id: CVE-2026-103686
title: A flaw has been found in rhukster dom-sanitizer up to 1.0.15
summary: >-
  A flaw has been found in rhukster dom-sanitizer up to 1.0.15. Impacted is the
  function DOMSanitizer::isDangerousUrl of the file src/DOMSanitizer.php of the
  component URL Validation. This manipulation causes cross site scripting. It is
  po…
severity: low
cvss: 3.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N'
cwe:
  - CWE-79
  - CWE-94
vendor: rhukster
product: dom-sanitizer
affected:
  - dom-sanitizer 1.0.0
  - dom-sanitizer 1.0.1
  - dom-sanitizer 1.0.2
  - dom-sanitizer 1.0.3
  - dom-sanitizer 1.0.4
  - dom-sanitizer 1.0.5
  - dom-sanitizer 1.0.6
  - dom-sanitizer 1.0.7
  - dom-sanitizer 1.0.8
  - dom-sanitizer 1.0.9
  - dom-sanitizer 1.0.10
  - dom-sanitizer 1.0.11
  - dom-sanitizer 1.0.12
  - dom-sanitizer 1.0.13
  - dom-sanitizer 1.0.14
  - dom-sanitizer 1.0.15
published: '2026-10-01'
updated: '2026-10-01'
sourceUpdated: '2026-10-01T14:34:35.357'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-103686'
references:
  - url: 'https://github.com/rhukster/dom-sanitizer/'
    label: cna@vuldb.com
  - url: >-
      https://github.com/rhukster/dom-sanitizer/commit/4623b565d060bc02ca5a07d8c8241fe28e2edfda
    label: cna@vuldb.com
  - url: 'https://github.com/rhukster/dom-sanitizer/releases/tag/1.0.16'
    label: cna@vuldb.com
  - url: >-
      https://github.com/rhukster/dom-sanitizer/security/advisories/GHSA-mrpv-6x26-mf6c
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-103686'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/958312'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/412550'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/412550/cti'
    label: cna@vuldb.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-01T14:46:26.702Z'
---

## Overview

A flaw has been found in rhukster dom-sanitizer up to 1.0.15. Impacted is the function DOMSanitizer::isDangerousUrl of the file src/DOMSanitizer.php of the component URL Validation. This manipulation causes cross site scripting. It is possible to initiate the attack remotely. The exploit has been published and may be used. Upgrading to version 1.0.16 is recommended to address this issue. Patch name: 4623b565d060bc02ca5a07d8c8241fe28e2edfda. It is suggested to upgrade the affected component.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.