CVE-2021-40219: Code Injection in Bolt CMS

high Affects bolt/core. Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

Code Injection in Bolt CMS

Package
bolt/core Composer
Affected versions
<=4.2
Fixed in
no fix recorded
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 3% (88.9th percentile)
Published
2022-04-12
Source
osv.dev

References

CWE-94
NVD recordbolt/core 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.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden deps composer.lock

# or, without Composer
pipx install phpwarden   &&   phpwarden deps composer.lock

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

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