Yahoo! Messenger 5,0,0,1064 and earlier allows remote attackers to execute arbitrary script as other users via the addview parameter of a ymsgr URI.
http://www.kb.cert.org/vuls/id/172315
http://www.cert.org/advisories/CA-2002-16.html
http://www.securityfocus.com/bid/4838
http://www.iss.net/security_center/static/9184.php
http://online.securityfocus.com/archive/1/274223
Source: Mitre, NVD
Published: 2002-07-26
Updated: 2025-04-03
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
EPSS: 0.02942