CVE-2026-54087: EasyAdmin: Stored Cross-Site Scripting (XSS) via uploaded files served inline in FileField and ImageField

high Affects easycorp/easyadmin-bundle. Feed 2026.10.29.1, updated 2026-10-28; published 2026-07-14.

EasyAdmin: Stored Cross-Site Scripting (XSS) via uploaded files served inline in FileField and ImageField

Package: easycorp/easyadmin-bundle Composer
Affected versions: >=5.0.0 and <5.0.13
Fixed in: 5.0.13
Severity: high CVSS 7.6
Exploitation: not on CISA KEV · EPSS 0% (34.5th percentile)
Published: 2026-07-14
Source: osv.dev

References

NVD record easycorp/easyadmin-bundle advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden deps composer.lock

Or keep it checked automatically: GitHub Action · pre-commit hook · GitLab CI · Laravel artisan command

Install docs How findings are ranked

Related advisories

CVE-2026-81892 high EasyAdmin custom-action dispatcher bypasses access_control on other routes same package: easycorp/easyadmin-bundle
GHSA-2wwr-9x6f-88gp medium EasyAdminBundle has path traversal and reflected XSS in Flag and Icon Twig components same package: easycorp/easyadmin-bundle
CVE-2020-25213 KEV critical Unauthenticated arbitrary file upload to RCE via the elFinder connector same weakness: CWE-434
CVE-2020-35489 KEV critical Unrestricted file upload via unsanitised filenames (double extension) same weakness: CWE-434
CVE-2020-13671 KEV high *Update November 18: Documented longer list of dangerous file extensions* Drupal core doe same weakness: CWE-434
CVE-2020-24186 critical A Remote Code Execution vulnerability exists in the gVectors wpDiscuz plugin 7.0 through 7 same weakness: CWE-434