CVE-2019-10909
Symfony Cross-site Scripting (XSS) vulnerability
In Symfony before 2.7.51, 2.8.x before 2.8.50, 3.x before 3.4.26, 4.x before 4.1.12, and 4.2.x before 4.2.7, validation messages are not escaped, which can lead to XSS when user input is included. This is related to symfony/framework-bundle.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
In Symfony before 2.7.51, 2.8.x before 2.8.50, 3.x before 3.4.26, 4.x before 4.1.12, and 4.2.x before 4.2.7, validation messages are not escaped, which can lead to XSS when user input is included. This is related to symfony/framework-bundle.
- Record
CVE-2019-10909- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
In Symfony before 2.7.51, 2.8.x before 2.8.50, 3.x before 3.4.26, 4.x before 4.1.12, and 4.2.x before 4.2.7, validation messages are not escaped, which can lead to XSS when user input is included. This is related to symfony/framework-bundle.
- Record
CVE-2019-10909- Updated
- 2026-11-02
EUVDEUVD-2019-0749 No score
In Symfony before 2.7.51, 2.8.x before 2.8.50, 3.x before 3.4.26, 4.x before 4.1.12, and 4.2.x before 4.2.7, validation messages are not escaped, which can lead to XSS when user input is included. This is related to symfony/framework-bundle.
- Record
EUVD-2019-0749- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-g996-q5r8-w7g2
Symfony Cross-site Scripting (XSS) vulnerability
In Symfony before 2.7.51, 2.8.x before 2.8.50, 3.x before 3.4.26, 4.x before 4.1.12, and 4.2.x before 4.2.7, validation messages are not escaped, which can lead to XSS when user input is included. This is related to symfony/framework-bundle.
- Record
GHSA-g996-q5r8-w7g2- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
In Symfony before 2.7.51, 2.8.x before 2.8.50, 3.x before 3.4.26, 4.x before 4.1.12, and 4.2.x before 4.2.7, validation messages are not escaped, which can lead to XSS when user input is included. This is related to symfony/framework-bundle.
- Record
CVE-2019-10909- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVDEBIAN-CVE-2019-10909
In Symfony before 2.7.51, 2.8.x before 2.8.50, 3.x before 3.4.26, 4.x before 4.1.12, and 4.2.x before 4.2.7, validation messages are not escaped, which can lead to XSS when user input is included. This is related to symfony/framework-bundle.
- Record
DEBIAN-CVE-2019-10909- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-g996-q5r8-w7g2
Symfony Cross-site Scripting (XSS) vulnerability
In Symfony before 2.7.51, 2.8.x before 2.8.50, 3.x before 3.4.26, 4.x before 4.1.12, and 4.2.x before 4.2.7, validation messages are not escaped, which can lead to XSS when user input is included. This is related to symfony/framework-bundle.
- Record
GHSA-g996-q5r8-w7g2- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2019-10909
In Symfony before 2.7.51, 2.8.x before 2.8.50, 3.x before 3.4.26, 4.x before 4.1.12, and 4.2.x before 4.2.7, validation messages are not escaped, which can lead to XSS when user input is included. This is related to symfony/framework-bundle.
- Record
UBUNTU-CVE-2019-10909- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
symfony/framework-bundlePackagist |
2.7.0 up to 2.7.51 | 2.7.51 |
symfony/framework-bundlePackagist |
2.8.0 up to 2.8.50 | 2.8.50 |
symfony/framework-bundlePackagist |
3.0.0 up to 3.4.26 | 3.4.26 |
symfony/framework-bundlePackagist |
4.0.0 up to 4.1.12 | 4.1.12 |
symfony/framework-bundlePackagist |
4.2.0 up to 4.2.7 | 4.2.7 |
symfony/symfonyPackagist |
2.7.0 up to 2.7.51 | 2.7.51 |
symfony/symfonyPackagist |
2.8.0 up to 2.8.50 | 2.8.50 |
symfony/symfonyPackagist |
3.0.0 up to 3.4.26 | 3.4.26 |
symfony/symfonyPackagist |
4.0.0 up to 4.1.12 | 4.1.12 |
symfony/symfonyPackagist |
4.2.0 up to 4.2.7 | 4.2.7 |
Show 25 moreShow less
| Package | Affected | Fixed |
|---|---|---|
drupal/corePackagist |
8.6.0 up to 8.6.15 | 8.6.15 |
drupal/corePackagist |
8.0.0 up to 8.5.15 | 8.5.15 |
drupal/drupalPackagist |
8.0.0 up to 8.5.15 | 8.5.15 |
drupal/drupalPackagist |
8.6.0 up to 8.6.15 | 8.6.15 |
symfonyDebian:12 |
before 3.4.22+dfsg-2 | 3.4.22+dfsg-2 |
symfonyDebian:13 |
before 3.4.22+dfsg-2 | 3.4.22+dfsg-2 |
symfonyDebian:14 |
before 3.4.22+dfsg-2 | 3.4.22+dfsg-2 |
symfonyDebian:8 From an advisory covering 4 CVEs |
before 2.3.21+dfsg-4+deb8u5, plus listed versions 2.3.21+dfsg-42.3.21+dfsg-4+deb8u12.3.21+dfsg-4+deb8u22.3.21+dfsg-4+deb8u32.3.21+dfsg-4+deb8u4 |
2.3.21+dfsg-4+deb8u5 |
symfonyDebian:9 From an advisory covering 8 CVEs |
before 2.8.7+dfsg-1.3+deb9u2, plus listed versions 2.8.7+dfsg-1.32.8.7+dfsg-1.3+deb9u1 |
2.8.7+dfsg-1.3+deb9u2 |
symfony/symfonyPackagist |
2.7.0 up to 2.7.51, plus listed versions v2.7.0v2.7.1v2.7.10v2.7.11v2.7.12 Show 45 moreShow lessv2.7.13v2.7.14v2.7.15v2.7.16v2.7.17v2.7.18v2.7.19v2.7.2v2.7.20v2.7.21v2.7.22v2.7.23v2.7.24v2.7.25v2.7.26v2.7.27v2.7.28v2.7.29v2.7.3v2.7.30v2.7.31v2.7.32v2.7.33v2.7.34v2.7.35v2.7.36v2.7.37v2.7.38v2.7.39v2.7.4v2.7.40v2.7.41v2.7.42v2.7.43v2.7.44v2.7.45v2.7.46v2.7.47v2.7.48v2.7.49v2.7.5v2.7.50v2.7.6v2.7.7v2.7.8 |
2.7.51 |
symfony/symfonyPackagist |
2.8.0 up to 2.8.50, plus listed versions v2.8.0v2.8.1v2.8.10v2.8.11v2.8.12 Show 45 moreShow lessv2.8.13v2.8.14v2.8.15v2.8.16v2.8.17v2.8.18v2.8.19v2.8.2v2.8.20v2.8.21v2.8.22v2.8.23v2.8.24v2.8.25v2.8.26v2.8.27v2.8.28v2.8.29v2.8.3v2.8.30v2.8.31v2.8.32v2.8.33v2.8.34v2.8.35v2.8.36v2.8.37v2.8.38v2.8.39v2.8.4v2.8.40v2.8.41v2.8.42v2.8.43v2.8.44v2.8.45v2.8.46v2.8.47v2.8.48v2.8.49v2.8.5v2.8.6v2.8.7v2.8.8v2.8.9 |
2.8.50 |
symfony/symfonyPackagist |
3.0.0 up to 3.4.26, plus listed versions v3.0.0v3.0.1v3.0.2v3.0.3v3.0.4 Show 45 moreShow lessv3.0.5v3.0.6v3.0.7v3.0.8v3.0.9v3.1.0v3.1.0-BETA1v3.1.0-RC1v3.1.1v3.1.10v3.1.2v3.1.3v3.1.4v3.1.5v3.1.6v3.1.7v3.1.8v3.1.9v3.2.0v3.2.0-BETA1v3.2.0-RC1v3.2.0-RC2v3.2.1v3.2.10v3.2.11v3.2.12v3.2.13v3.2.14v3.2.2v3.2.3v3.2.4v3.2.5v3.2.6v3.2.7v3.2.8v3.2.9v3.3.0v3.3.0-BETA1v3.3.0-RC1v3.3.1v3.3.10v3.3.11v3.3.12v3.3.13v3.3.14 |
3.4.26 |
symfony/symfonyPackagist |
4.0.0 up to 4.1.12, plus listed versions v4.0.0v4.0.1v4.0.10v4.0.11v4.0.12 Show 26 moreShow lessv4.0.13v4.0.14v4.0.15v4.0.2v4.0.3v4.0.4v4.0.5v4.0.6v4.0.7v4.0.8v4.0.9v4.1.0v4.1.0-BETA1v4.1.0-BETA2v4.1.0-BETA3v4.1.1v4.1.10v4.1.11v4.1.2v4.1.3v4.1.4v4.1.5v4.1.6v4.1.7v4.1.8v4.1.9 |
4.1.12 |
symfony/symfonyPackagist |
4.2.0 up to 4.2.7, plus listed versions v4.2.0v4.2.1v4.2.2v4.2.3v4.2.4v4.2.5v4.2.6 |
4.2.7 |
symfony/framework-bundlePackagist |
2.7.0 up to 2.7.51, plus listed versions v2.7.0v2.7.1v2.7.10v2.7.11v2.7.12 Show 45 moreShow lessv2.7.13v2.7.14v2.7.15v2.7.16v2.7.17v2.7.18v2.7.19v2.7.2v2.7.20v2.7.21v2.7.22v2.7.23v2.7.24v2.7.25v2.7.26v2.7.27v2.7.28v2.7.29v2.7.3v2.7.30v2.7.31v2.7.32v2.7.33v2.7.34v2.7.35v2.7.36v2.7.37v2.7.38v2.7.39v2.7.4v2.7.40v2.7.41v2.7.42v2.7.43v2.7.44v2.7.45v2.7.46v2.7.47v2.7.48v2.7.49v2.7.5v2.7.50v2.7.6v2.7.7v2.7.8 |
2.7.51 |
symfony/framework-bundlePackagist |
2.8.0 up to 2.8.50, plus listed versions v2.8.0v2.8.1v2.8.10v2.8.11v2.8.12 Show 45 moreShow lessv2.8.13v2.8.14v2.8.15v2.8.16v2.8.17v2.8.18v2.8.19v2.8.2v2.8.20v2.8.21v2.8.22v2.8.23v2.8.24v2.8.25v2.8.26v2.8.27v2.8.28v2.8.29v2.8.3v2.8.30v2.8.31v2.8.32v2.8.33v2.8.34v2.8.35v2.8.36v2.8.37v2.8.38v2.8.39v2.8.4v2.8.40v2.8.41v2.8.42v2.8.43v2.8.44v2.8.45v2.8.46v2.8.47v2.8.48v2.8.49v2.8.5v2.8.6v2.8.7v2.8.8v2.8.9 |
2.8.50 |
symfony/framework-bundlePackagist |
3.0.0 up to 3.4.26, plus listed versions v3.0.0v3.0.1v3.0.2v3.0.3v3.0.4 Show 45 moreShow lessv3.0.5v3.0.6v3.0.7v3.0.8v3.0.9v3.1.0v3.1.0-BETA1v3.1.0-RC1v3.1.1v3.1.10v3.1.2v3.1.3v3.1.4v3.1.5v3.1.6v3.1.7v3.1.8v3.1.9v3.2.0v3.2.0-BETA1v3.2.0-RC1v3.2.0-RC2v3.2.1v3.2.10v3.2.11v3.2.12v3.2.13v3.2.14v3.2.2v3.2.3v3.2.4v3.2.5v3.2.6v3.2.7v3.2.8v3.2.9v3.3.0v3.3.0-BETA1v3.3.0-RC1v3.3.1v3.3.10v3.3.11v3.3.12v3.3.13v3.3.14 |
3.4.26 |
symfony/framework-bundlePackagist |
4.0.0 up to 4.1.12, plus listed versions v4.0.0v4.0.1v4.0.10v4.0.11v4.0.12 Show 26 moreShow lessv4.0.13v4.0.14v4.0.15v4.0.2v4.0.3v4.0.4v4.0.5v4.0.6v4.0.7v4.0.8v4.0.9v4.1.0v4.1.0-BETA1v4.1.0-BETA2v4.1.0-BETA3v4.1.1v4.1.10v4.1.11v4.1.2v4.1.3v4.1.4v4.1.5v4.1.6v4.1.7v4.1.8v4.1.9 |
4.1.12 |
symfony/framework-bundlePackagist |
4.2.0 up to 4.2.7, plus listed versions v4.2.0v4.2.1v4.2.2v4.2.3v4.2.4v4.2.5v4.2.6 |
4.2.7 |
drupal/corePackagist |
8.0.0 up to 8.5.15, plus listed versions 8.0.18.0.28.0.38.0.48.0.5 Show 45 moreShow less8.0.68.1.08.1.0-beta18.1.0-beta28.1.0-rc18.1.18.1.108.1.28.1.38.1.48.1.58.1.68.1.78.1.88.1.98.2.08.2.0-beta18.2.0-beta28.2.0-beta38.2.0-rc18.2.0-rc28.2.18.2.28.2.38.2.48.2.58.2.68.2.78.2.88.3.08.3.0-alpha18.3.0-beta18.3.0-rc18.3.0-rc28.3.18.3.28.3.38.3.48.3.58.3.68.3.78.3.88.3.98.4.08.4.0-alpha1 |
8.5.15 |
drupal/corePackagist |
8.6.0 up to 8.6.15, plus listed versions 8.6.18.6.108.6.118.6.128.6.13 Show 9 moreShow less8.6.148.6.28.6.38.6.48.6.58.6.68.6.78.6.88.6.9 |
8.6.15 |
drupal/drupalPackagist |
8.0.0 up to 8.5.15, plus listed versions 8.0.18.0.28.0.38.0.48.0.5 Show 45 moreShow less8.0.68.1.08.1.0-beta18.1.0-beta28.1.0-rc18.1.18.1.108.1.28.1.38.1.48.1.58.1.68.1.78.1.88.1.98.2.08.2.0-beta18.2.0-beta28.2.0-beta38.2.0-rc18.2.0-rc28.2.18.2.28.2.38.2.48.2.58.2.68.2.78.2.88.3.08.3.0-alpha18.3.0-beta18.3.0-rc18.3.0-rc28.3.18.3.28.3.38.3.48.3.58.3.68.3.78.3.88.3.98.4.08.4.0-alpha1 |
8.5.15 |
drupal/drupalPackagist |
8.6.0 up to 8.6.15, plus listed versions 8.6.18.6.108.6.118.6.128.6.13 Show 9 moreShow less8.6.148.6.28.6.38.6.48.6.58.6.68.6.78.6.88.6.9 |
8.6.15 |
symfonyUbuntu:16.04:LTS |
All versions, plus listed versions 2.7.1+dfsg-12.7.5+dfsg-12.7.9+dfsg-12.7.9+dfsg-1ubuntu22.7.10-0ubuntu2 |
None known |
symfonyUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 2.8.7+dfsg-1.3ubuntu13.4.3+dfsg-1ubuntu43.4.6+dfsg-13.4.6+dfsg-1ubuntu0.13.4.6+dfsg-1ubuntu0.1+esm13.4.6+dfsg-1ubuntu0.1+esm2 |
None known |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | moften/Symfony-CVE-Scanner-PoC- | 2025-05-07 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-10909 is a medium vulnerability (CVSS 5.4) in Sensiolabs Symfony, published May 6, 2019. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 1.03%, the 63rd percentile. Fixed in symfony/framework-bundle 2.7.51.
References
synology.com/security/advisory/Synology_SA_19_19
drupal.org/sa-core-2019-005
symfony.com/blog/cve-2019-10909-escape-validation-messages-in-the-php-templating-engine
github.com/symfony/symfony/commit/ab4d05358c3d0dd1a36fc8c306829f68e3dd84e2
nvd.nist.gov/vuln/detail/CVE-2019-10909
Show 9 moreShow less
security-tracker.debian.org/tracker/CVE-2019-10909
ubuntu.com/security/CVE-2019-10909
cve.org/CVERecord?id=CVE-2019-10909
Left out here: 148 versions. The JSON record has them.