MediaWiki before 1.19.4 and 1.20.x before 1.20.3 contains an error in the api.php script which allows remote attackers to obtain sensitive information.
[
{
"product": "mediawiki",
"vendor": "mediawiki",
"versions": [
{
"status": "affected",
"version": "1.19.4"
},
{
"status": "affected",
"version": "1.20.3"
}
]
}
]