XSS in Drupal
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.010 (62.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: -0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.synology.com/security/advisory/Synology_SA_19_19 (Third Party Advisory)
- www.drupal.org/sa-core-2019-005 (Third Party Advisory)
- symfony.com/blog/cve-2019-10909-escape-validation-messages-in-the-php-templatin… (Vendor Advisory)
- github.com/symfony/symfony/commit/ab4d05358c3d0dd1a36fc8c306829f68e3dd84e2 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-10909?
- CVE-2019-10909 is a medium-severity vulnerability in Drupal, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-05-16.
- How severe is CVE-2019-10909?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2019-10909 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.