CVE-2026-49216: symfony/ux-autocomplete: XSS via unescaped AJAX response data

medium Affects symfony/ux-autocomplete. Feed 2026.10.29.1, updated 2026-10-28; published 2026-06-19; advisory modified 2026-09-10.

symfony/ux-autocomplete: XSS via unescaped AJAX response data

Package: symfony/ux-autocomplete Composer
Affected versions: >=2.2.0 and <2.36.0 or >=3.0.0 and <3.1.0
Fixed in: 2.36.0, 3.1.0
Severity: medium
Exploitation: not on CISA KEV · EPSS 0% (24.0th percentile)
Published: 2026-06-19
Source: osv.dev

References

CWE-79

NVD record symfony/ux-autocomplete advisories

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