The css-what package before 5.0.1 for Node.js does not ensure that attribute parsing has Linear Time Complexity relative to the size of the input.
Reference Links(if available):
CVSS Score (if available)
v2: / HIGHAV:N/AC:L/Au:N/C:N/I:N/A:P
v3: / HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H