Stored XSS through system messages in CheckUser
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 0epss 0.1%
exploitation probability
0.1%top 95% of all CVEs
observed exploitation
nono source reports it
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files modules/ext.CheckUser.TempAccounts/components/ShowIPButton.Vue, modules/ext.CheckUser.TempAccounts/SpecialBlock.Js.
This issue affects CheckUser: from * before 1.44.1.
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:U
Affected products
Wikimedia Foundation · CheckUser