High
Security advisory
An issue in OS4ED openSIS v8.0 through v9.1 allows attackers to execute a directory traversal and delete files by sending a crafted POST request to /Modules.php?modname=users/Staff.php&removefile.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2025-22923
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 14:22 UTC · Revision 1
Source evidence
An issue in OS4ED openSIS v8.0 through v9.1 allows attackers to execute a directory traversal and delete files by sending a crafted POST request to /Modules.php?modname=users/Staff.php&removefile.
osv:CVE-2025-22923
Complete source record
{
"id": "2b45f79ce168197dfd7cdade00bf7dac89f9507b248ef802685a3798fd5c6080",
"url": "https://osv.dev/vulnerability/CVE-2025-22923",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2025-22923",
"summary": "An issue in OS4ED openSIS v8.0 through v9.1 allows attackers to execute a directory traversal and delete files by sending a crafted POST request to /Modules.php?modname=users/Staff.php&removefile.",
"evidence": "osv:CVE-2025-22923",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2025-22923",
"aliases": [
"CVE-2025-22923"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/os4ed/opensis-classic",
"type": "GIT",
"events": [
{
"introduced": "0a2d61fff35900fc91566e6621d49959599bcb4e"
},
{
"last_affected": "53407797404f05612b774e233bec52951986013b"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "8.0"
},
{
"last_affected": "9.1"
}
],
"source": "DESCRIPTION"
},
{
"cpe": "cpe:2.3:a:os4ed:opensis:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "8.0"
},
{
"last_affected": "9.1"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"V9.1",
"V9.0",
"V8.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-22923.json"
}
}
],
"modified": "2026-10-28T02:30:29.248415889Z",
"provider": "osv",
"references": [
"https://github.com/esusalla/vulnerability-research/tree/main/CVE-2025-22923",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/22xxx/CVE-2025-22923.json",
"https://nvd.nist.gov/vuln/detail/CVE-2025-22923",
"https://github.com/OS4ED/openSIS-Classic"
],
"provider_metadata": {
"cna_assigner": "mitre",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/22xxx/CVE-2025-22923.json"
}
},
"related_cves": [
{
"value": "CVE-2025-22923",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 496313,
"published_at": "2025-04-02T00:00:00+00:00"
}