ClipBucket V5 provides open source video hosting with PHP. Prior to 5.5.1 - 238, ClipBucket V5 allows unauthenticated attackers to change the template directory via a directory traversal, which results in a denial of service.
{
"cna_assigner": "GitHub_M",
"unresolved_ranges": [
{
"extracted_events": [
{
"fixed": "5.5.1-238"
}
],
"source": "AFFECTED_FIELD"
}
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21623.json",
"cwe_ids": [
"CWE-22",
"CWE-306"
]
}