In the @digitalocean/do-markdownit package through 1.16.1 (in npm), the callout and fence_environment plugins perform .includes substring matching if allowedClasses or allowedEnvironments is a string (instead of an array).
{
"cwe_ids": [
"CWE-843"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/59xxx/CVE-2025-59717.json",
"cna_assigner": "mitre"
}{
"cpe": "cpe:2.3:a:digitalocean:do-markdownit:*:*:*:*:*:node.js:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "1.16.1"
}
],
"source": [
"AFFECTED_FIELD",
"CPE_RANGE"
]
}