2.1 Low
CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:H/Au:S/C:N/I:P/A:N
0.967 High
EPSS
Percentile
99.7%
The subject field for the included simple box doesn’t escape HTML properly.
This vulnerability is mitigated by the fact that an attacker must have a role with the permission to administer/edit boxes.
Wikipedia has more information about cross site scripting (XSS).
Drupal core is not affected. If you do not use the contributed Boxes module, there is nothing you need to do.
Install the latest version:
Also see the Boxes project page.