Medium severity · published May 16, 2019
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…
5.4
CVSS
1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 63% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DR
Drupal · Drupal
8.5.0 before 8.5.15; 8.6.0 before 8.6.15 · source: NVD
SY
Symfony · Sensiolabs
2.7.0 before 2.7.51; 2.8.0 before 2.8.50; 3.4.0 before 3.4.26; 4.1.0 before 4.1.12; 4.2.0 before 4.2.7 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-10909
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-10909
Patch
https://github.com/symfony/symfony/commit/ab4d05358c3d0dd1a36fc8c306829f68e3dd84e2
Vendor Advisory
https://symfony.com/blog/cve-2019-10909-escape-validation-messages-in-the-php-templating-engine
Third Party Advisory
https://www.drupal.org/sa-core-2019-005
Third Party Advisory
https://www.synology.com/security/advisory/Synology_SA_19_19
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