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CVE-2025-47946: Symfony UX allows unsanitized HTML attribute injection via ComponentAttributes

medium Affects symfony/ux-live-component, symfony/ux-twig-component. Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

Symfony UX allows unsanitized HTML attribute injection via ComponentAttributes

Package
symfony/ux-live-component Composer
Affected versions
<2.25.1
Fixed in
2.25.1
Severity
medium  CVSS 6.1
Exploitation
not on CISA KEV · EPSS 0% (16.7th percentile)
Published
2025-05-19
Source
osv.dev

References

Symfony UX allows unsanitized HTML attribute injection via ComponentAttributes

Package
symfony/ux-twig-component Composer
Affected versions
<2.25.1
Fixed in
2.25.1
Severity
medium  CVSS 6.1
Exploitation
not on CISA KEV · EPSS 0% (16.7th percentile)
Published
2025-05-19
Source
osv.dev

References

CWE-79
NVD recordsymfony/ux-live-component advisoriessymfony/ux-twig-component advisories

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