Drupal Patches Flaw Exploited in Spam Campaigns

June 22, 2017


Drupal security updates released on Wednesday address several vulnerabilities, including one that has been exploited in spam campaigns.

The flaw exploited in the wild, patched with the release of Drupal versions 7.56 and 8.3.4, is a moderately critical access bypass vulnerability tracked as CVE-2017-6922.

The problem is that files uploaded by anonymous users to a private file system can be accessed by all anonymous users, not just the user who uploaded them, as it should be. The security hole only affects websites that allow anonymous users to upload files to a private file system.

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