CVE-2019-10909: Symfony Cross-site Scripting (XSS) vulnerability

medium Affects drupal/core, drupal/drupal, symfony/framework-bundle, symfony/symfony. Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

Symfony Cross-site Scripting (XSS) vulnerability

Package
drupal/core Composer
Affected versions
>=8.0.0 and <8.5.15 or >=8.6.0 and <8.6.15 or >=7.0 and <7.65 or >=8.0.0 and <8.1.0 or >=8.1.0 and <8.2.0 or >=8.2.0 and <8.3.0 or >=8.3.0 and <8.4.0 or >=8.4.0 and <8.5.0 or >=8.5.0 and <8.5.14 or >=8.6.0 and <8.6.14
Fixed in
8.5.15, 8.6.15, 7.65
Severity
medium  CVSS 5.4
Exploitation
not on CISA KEV · EPSS 1% (63.6th percentile)
Published
2019-11-12
Source
osv.dev

References

Symfony Cross-site Scripting (XSS) vulnerability

Package
drupal/drupal Composer
Affected versions
>=8.0.0 and <8.5.15 or >=8.6.0 and <8.6.15 or >=7.0 and <7.65 or >=8.0.0 and <8.1.0 or >=8.1.0 and <8.2.0 or >=8.2.0 and <8.3.0 or >=8.3.0 and <8.4.0 or >=8.4.0 and <8.5.0 or >=8.5.0 and <8.5.14 or >=8.6.0 and <8.6.14
Fixed in
8.5.15, 8.6.15, 7.65
Severity
medium  CVSS 5.4
Exploitation
not on CISA KEV · EPSS 1% (63.6th percentile)
Published
2019-11-12
Source
osv.dev

References

Symfony Cross-site Scripting (XSS) vulnerability

Package
symfony/framework-bundle Composer
Affected versions
>=2.7.0 and <2.7.51 or >=2.8.0 and <2.8.50 or >=3.0.0 and <3.4.26 or >=4.0.0 and <4.1.12 or >=4.2.0 and <4.2.7 or >=3.0.0 and <3.1.0 or >=3.1.0 and <3.2.0 or >=3.2.0 and <3.3.0 or >=3.3.0 and <3.4.0 or >=3.4.0 and <3.4.26 or >=4.0.0 and <4.1.0 or >=4.1.0 and <4.1.12
Fixed in
2.7.51, 2.8.50, 3.4.26, 4.1.12, 4.2.7
Severity
medium  CVSS 5.4
Exploitation
not on CISA KEV · EPSS 1% (63.6th percentile)
Published
2019-11-12
Source
osv.dev

References

Symfony Cross-site Scripting (XSS) vulnerability

Package
symfony/symfony Composer
Affected versions
>=2.7.0 and <2.7.51 or >=2.8.0 and <2.8.50 or >=3.0.0 and <3.4.26 or >=4.0.0 and <4.1.12 or >=4.2.0 and <4.2.7 or >=3.0.0 and <3.1.0 or >=3.1.0 and <3.2.0 or >=3.2.0 and <3.3.0 or >=3.3.0 and <3.4.0 or >=3.4.0 and <3.4.26 or >=4.0.0 and <4.1.0 or >=4.1.0 and <4.1.12
Fixed in
2.7.51, 2.8.50, 3.4.26, 4.1.12, 4.2.7
Severity
medium  CVSS 5.4
Exploitation
not on CISA KEV · EPSS 1% (63.6th percentile)
Published
2019-11-12
Source
osv.dev

References

CWE-79
NVD recorddrupal/core advisoriesdrupal/drupal advisoriessymfony/framework-bundle advisoriessymfony/symfony 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