The vulnerability was notified by Konstantin Kovshenin and Gennady Kovshenin.
Vulnerable component: FancyBox
CVSSv3 score: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:F/RL:O/RC:C
CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Note: the vulnerability was being actively exploited.