CVE-2013-1348: Symphony Vulnerable to PHP Code Injection via YAML Parsing

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

Symphony Vulnerable to PHP Code Injection via YAML Parsing

Package
symfony/symfony Composer
Affected versions
>=2.0.0 and <2.0.22
Fixed in
2.0.22
Severity
high
Exploitation
not on CISA KEV · EPSS 2% (76.0th percentile)
Published
2022-05-17
Source
osv.dev

References

Symphony Vulnerable to PHP Code Injection via YAML Parsing

Package
symfony/yaml Composer
Affected versions
>=2.0.0 and <2.0.22
Fixed in
2.0.22
Severity
high
Exploitation
not on CISA KEV · EPSS 2% (76.0th percentile)
Published
2022-05-17
Source
osv.dev

References

CWE-94
NVD recordsymfony/symfony advisoriessymfony/yaml 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

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pipx install phpwarden   &&   phpwarden deps composer.lock

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