An issue was discovered in includes/CommentFormatter/CommentParser.php in MediaWiki before 1.39.7, 1.40.x before 1.40.3, and 1.41.x before 1.41.1. XSS can occur because of mishandling of the 0x1b character, as demonstrated by Special:RecentChanges#%1b0000000.
{
"cna_assigner": "mitre",
"unresolved_ranges": [
{
"source": "DESCRIPTION",
"extracted_events": [
{
"fixed": "1.39.7"
},
{
"introduced": "1.40.x"
},
{
"fixed": "1.40.3"
},
{
"introduced": "1.41.x"
},
{
"fixed": "1.41.1"
}
]
}
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/34xxx/CVE-2024-34507.json"
}{
"source": "CPE_RANGE",
"cpe": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "1.39.7"
},
{
"introduced": "1.40.0"
},
{
"fixed": "1.40.3"
},
{
"introduced": "1.41.0"
},
{
"fixed": "1.41.1"
}
]
}