CVE-2020-13671

Drupal core does not properly sanitize certain filenames on uploaded files, which can lead to files being interpreted as the incorrect extension and served as the wrong MIME type or executed as PHP for certain hosting configurations. This issue affects: Drupal Drupal Core 9.0 versions prior to 9.0.8, 8.9 versions prior to 8.9.9, 8.8 versions prior to 8.8.11, and 7 versions prior to 7.74.

Score
CVSS 3.1 8.8 High
Status
Analyzed - mlhess@drupal.org
Published
2020-11-20
Last modified
2025-10-21
Known exploited (CISA KEV)
since 2022-01-18, action due 2022-07-18: Apply updates per vendor instructions.
Weaknesses
CWE-434

Affected products

References

 
 
© AVABIS GmbH privacypolicy about