Detections
Analytics

CVE-2019-10909

medium

Description

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.

References

https://www.synology.com/security/advisory/Synology_SA_19_19

https://www.drupal.org/sa-core-2019-005

https://github.com/symfony/symfony/commit/ab4d05358c3d0dd1a36fc8c306829f68e3dd84e2

https://symfony.com/blog/cve-2019-10909-escape-validation-messages-in-the-php-templating-engine

Details

Source: Mitre, NVD

Published: 2019-05-16

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 3.5

Vector: CVSS2#AV:N/AC:M/Au:S/C:N/I:P/A:N

Severity: Low

CVSS v3

Base Score: 5.4

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Severity: Medium

EPSS

EPSS: 0.00778