CVE-2019-10909
lowpriority · track · 32EPSS 0.010 · 63 %ileexploit · PoCDEEURUUSEPSS · scored 2026-10-27
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.5–5.4
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (1)
Public proof-of-concept and weaponised exploit code.
affected products (38)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2022-1948Drupal: Mehrere SchwachstellenDeutsch2019-04-17csaf · cert_bundDE
Ein entfernter, authentisierter oder anonymer Angreifer kann mehrere Schwachstellen in Drupal ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen, um Daten zu manipulieren, um einen Denial of Service Zustand herbeizuführen und um beliebigen Code auszuführen.
- GHSA-g996-q5r8-w7g2Symfony Cross-site Scripting (XSS) vulnerability2019-11-12ghsa · osvUS
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.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (23)
External citations — patches, advisories, analysis.
- http://www.debian.org/security/2019/dsa-4441cnnvd
- http://www.ibm.com/support/docview.wss?uid=ibm10882578cnnvd
- https://github.com/symfony/symfony/commit/ab4d05358c3d0dd1a36fc8c306829f68e3dd84e2cnnvd
- https://lists.debian.org/debian-lts-announce/2019/05/msg00007.htmlcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2019-10909cnnvd
- https://packetstormsecurity.com/files/152784/Debian-Security-Advisory-4441-1.htmlcnnvd
- https://symfony.com/blog/cve-2019-10909-escape-validation-messages-in-the-php-templating-enginecnnvd
- https://vigilance.fr/vulnerability/Symfony-Cross-Site-Scripting-via-templates-29070cnnvd
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