CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
EPSS
Percentile
97.2%
Mozilla contributor moz_bug_r_a4 demonstrated that the addEventListener method could be used to inject script into another site in violation of the browser’s same-origin policy. This could be used to access or modify private or valuable information from that other site.