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Vulnerability Details CVE-2026-49216

Symfony UX is a JavaScript ecosystem for Symfony. From 2.2.0 until 2.36.0 and 3.1.0, the Stimulus controller in symfony/ux-autocomplete renders AJAX response items in _createAutocompleteWithRemoteData() by interpolating the text field into HTML template literals (<div>${item[labelField]}</div>) rather than text, allowing attacker-controlled markup from user-supplied dropdown values to execute in the browser of any user who opens an autocomplete widget backed by the same data. This issue is fixed in versions 2.36.0 and 3.1.0.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 23.6%
CVSS Severity
CVSS v3 Score 5.4
Products affected by CVE-2026-49216
  • Symfony » Ux » Version: 2.10.0
    cpe:2.3:a:symfony:ux:2.10.0
  • Symfony » Ux » Version: 2.11.0
    cpe:2.3:a:symfony:ux:2.11.0
  • Symfony » Ux » Version: 2.11.1
    cpe:2.3:a:symfony:ux:2.11.1
  • Symfony » Ux » Version: 2.11.2
    cpe:2.3:a:symfony:ux:2.11.2
  • Symfony » Ux » Version: 2.12.0
    cpe:2.3:a:symfony:ux:2.12.0
  • Symfony » Ux » Version: 2.13.0
    cpe:2.3:a:symfony:ux:2.13.0
  • Symfony » Ux » Version: 2.13.1
    cpe:2.3:a:symfony:ux:2.13.1
  • Symfony » Ux » Version: 2.13.2
    cpe:2.3:a:symfony:ux:2.13.2
  • Symfony » Ux » Version: 2.13.3
    cpe:2.3:a:symfony:ux:2.13.3
  • Symfony » Ux » Version: 2.14.0
    cpe:2.3:a:symfony:ux:2.14.0
  • Symfony » Ux » Version: 2.14.1
    cpe:2.3:a:symfony:ux:2.14.1
  • Symfony » Ux » Version: 2.14.2
    cpe:2.3:a:symfony:ux:2.14.2
  • Symfony » Ux » Version: 2.15.0
    cpe:2.3:a:symfony:ux:2.15.0
  • Symfony » Ux » Version: 2.16.0
    cpe:2.3:a:symfony:ux:2.16.0
  • Symfony » Ux » Version: 2.17.0
    cpe:2.3:a:symfony:ux:2.17.0
  • Symfony » Ux » Version: 2.18.0
    cpe:2.3:a:symfony:ux:2.18.0
  • Symfony » Ux » Version: 2.18.1
    cpe:2.3:a:symfony:ux:2.18.1
  • Symfony » Ux » Version: 2.19.0
    cpe:2.3:a:symfony:ux:2.19.0
  • Symfony » Ux » Version: 2.19.1
    cpe:2.3:a:symfony:ux:2.19.1
  • Symfony » Ux » Version: 2.19.2
    cpe:2.3:a:symfony:ux:2.19.2
  • Symfony » Ux » Version: 2.19.3
    cpe:2.3:a:symfony:ux:2.19.3
  • Symfony » Ux » Version: 2.2.0
    cpe:2.3:a:symfony:ux:2.2.0
  • Symfony » Ux » Version: 2.20.0
    cpe:2.3:a:symfony:ux:2.20.0
  • Symfony » Ux » Version: 2.21.0
    cpe:2.3:a:symfony:ux:2.21.0
  • Symfony » Ux » Version: 2.22.0
    cpe:2.3:a:symfony:ux:2.22.0
  • Symfony » Ux » Version: 2.22.1
    cpe:2.3:a:symfony:ux:2.22.1
  • Symfony » Ux » Version: 2.23.0
    cpe:2.3:a:symfony:ux:2.23.0
  • Symfony » Ux » Version: 2.24.0
    cpe:2.3:a:symfony:ux:2.24.0
  • Symfony » Ux » Version: 2.25.0
    cpe:2.3:a:symfony:ux:2.25.0
  • Symfony » Ux » Version: 2.25.1
    cpe:2.3:a:symfony:ux:2.25.1
  • Symfony » Ux » Version: 2.25.2
    cpe:2.3:a:symfony:ux:2.25.2
  • Symfony » Ux » Version: 2.26.0
    cpe:2.3:a:symfony:ux:2.26.0
  • Symfony » Ux » Version: 2.26.1
    cpe:2.3:a:symfony:ux:2.26.1
  • Symfony » Ux » Version: 2.27.0
    cpe:2.3:a:symfony:ux:2.27.0
  • Symfony » Ux » Version: 2.28.0
    cpe:2.3:a:symfony:ux:2.28.0
  • Symfony » Ux » Version: 2.28.1
    cpe:2.3:a:symfony:ux:2.28.1
  • Symfony » Ux » Version: 2.28.2
    cpe:2.3:a:symfony:ux:2.28.2
  • Symfony » Ux » Version: 2.29.0
    cpe:2.3:a:symfony:ux:2.29.0
  • Symfony » Ux » Version: 2.29.1
    cpe:2.3:a:symfony:ux:2.29.1
  • Symfony » Ux » Version: 2.29.2
    cpe:2.3:a:symfony:ux:2.29.2
  • Symfony » Ux » Version: 2.3.0
    cpe:2.3:a:symfony:ux:2.3.0
  • Symfony » Ux » Version: 2.30.0
    cpe:2.3:a:symfony:ux:2.30.0
  • Symfony » Ux » Version: 2.31.0
    cpe:2.3:a:symfony:ux:2.31.0
  • Symfony » Ux » Version: 2.32.0
    cpe:2.3:a:symfony:ux:2.32.0
  • Symfony » Ux » Version: 2.33.0
    cpe:2.3:a:symfony:ux:2.33.0
  • Symfony » Ux » Version: 2.34.0
    cpe:2.3:a:symfony:ux:2.34.0
  • Symfony » Ux » Version: 2.35.0
    cpe:2.3:a:symfony:ux:2.35.0
  • Symfony » Ux » Version: 2.4.0
    cpe:2.3:a:symfony:ux:2.4.0
  • Symfony » Ux » Version: 2.5.0
    cpe:2.3:a:symfony:ux:2.5.0
  • Symfony » Ux » Version: 2.6.0
    cpe:2.3:a:symfony:ux:2.6.0
  • Symfony » Ux » Version: 2.6.1
    cpe:2.3:a:symfony:ux:2.6.1
  • Symfony » Ux » Version: 2.7.0
    cpe:2.3:a:symfony:ux:2.7.0
  • Symfony » Ux » Version: 2.7.1
    cpe:2.3:a:symfony:ux:2.7.1
  • Symfony » Ux » Version: 2.8.0
    cpe:2.3:a:symfony:ux:2.8.0
  • Symfony » Ux » Version: 2.8.1
    cpe:2.3:a:symfony:ux:2.8.1
  • Symfony » Ux » Version: 2.9.0
    cpe:2.3:a:symfony:ux:2.9.0
  • Symfony » Ux » Version: 2.9.1
    cpe:2.3:a:symfony:ux:2.9.1
  • Symfony » Ux » Version: 2.9.2
    cpe:2.3:a:symfony:ux:2.9.2
  • Symfony » Ux » Version: 3.0.0
    cpe:2.3:a:symfony:ux:3.0.0


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