An issue was discovered in includes/page/Article.php in MediaWiki 1.36.x through 1.39.x before 1.39.5 and 1.40.x before 1.40.1. Deleted revision existence is leaked due to incorrect permissions being checked. This reveals that a given revision ID belonged to the given page title, and its timestamp, both of which are not supposed to be public information.
{
"cna_assigner": "mitre",
"unresolved_ranges": [
{
"extracted_events": [
{
"introduced": "1.36.x"
},
{
"fixed": "1.39.x"
},
{
"fixed": "1.39.5"
},
{
"introduced": "1.40.x"
},
{
"fixed": "1.40.1"
}
],
"source": "DESCRIPTION"
}
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/45xxx/CVE-2023-45364.json"
}{
"extracted_events": [
{
"introduced": "1.36.0"
},
{
"fixed": "1.39.5"
},
{
"introduced": "1.40.0-NA"
},
{
"last_affected": "1.40.0-NA"
}
],
"cpe": [
"cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*",
"cpe:2.3:a:mediawiki:mediawiki:1.40.0:-:*:*:*:*:*:*"
],
"source": [
"CPE_RANGE",
"CPE_STRING"
]
}