CVE-2023-5277
Status: ModifiedCritical (9.8)—
A vulnerability, which was classified as critical, has been found in SourceCodester Engineers Online Portal 1.0. This issue affects some unknown processing of the file student_avatar.php. The manipulation of the argument change leads to unrestricted upload. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-240905 was assigned to this vulnerability.
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Base score: 9.8
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 0.99%
- Percentile among all scored CVEs: 61
- Score date: 10/6/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (1)
CWEs
- CWE-434
References
- https://github.com/llixixi/Engineers-Online-Portal-System/blob/main/Engineers%20Online%20Portal%20System%20has%20a%20file%20upload%20(RCE)%20vulnerability.pdf
- https://vuldb.com/?ctiid.240905
- https://vuldb.com/?id.240905
- https://github.com/llixixi/Engineers-Online-Portal-System/blob/main/Engineers%20Online%20Portal%20System%20has%20a%20file%20upload%20(RCE)%20vulnerability.pdf
- https://vuldb.com/?ctiid.240905
- https://vuldb.com/?id.240905
Raw JSON (NVD)
Show
{
"id": "CVE-2023-5277",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2023-5277",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2025-06-18T14:00:34.019314Z"
}
}
],
"cvssMetricV2": [
{
"type": "Secondary",
"source": "cna@vuldb.com",
"cvssData": {
"version": "2.0",
"baseScore": 6.5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
"authentication": "SINGLE",
"integrityImpact": "PARTIAL",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 6.4,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "cna@vuldb.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 6.3,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "LOW",
"privilegesRequired": "LOW",
"confidentialityImpact": "LOW"
},
"impactScore": 3.4,
"exploitabilityScore": 2.8
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 9.8,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "cna@vuldb.com",
"affectedData": [
{
"vendor": "SourceCodester",
"product": "Engineers Online Portal",
"versions": [
{
"status": "affected",
"version": "1.0"
}
]
}
]
}
],
"published": "2023-09-29T18:15:09.963",
"references": [
{
"url": "https://github.com/llixixi/Engineers-Online-Portal-System/blob/main/Engineers%20Online%20Portal%20System%20has%20a%20file%20upload%20(RCE)%20vulnerability.pdf",
"tags": [
"Exploit"
],
"source": "cna@vuldb.com"
},
{
"url": "https://vuldb.com/?ctiid.240905",
"tags": [
"Permissions Required",
"Third Party Advisory",
"VDB Entry"
],
"source": "cna@vuldb.com"
},
{
"url": "https://vuldb.com/?id.240905",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "cna@vuldb.com"
},
{
"url": "https://github.com/llixixi/Engineers-Online-Portal-System/blob/main/Engineers%20Online%20Portal%20System%20has%20a%20file%20upload%20(RCE)%20vulnerability.pdf",
"tags": [
"Exploit"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://vuldb.com/?ctiid.240905",
"tags": [
"Permissions Required",
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://vuldb.com/?id.240905",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "cna@vuldb.com",
"description": [
{
"lang": "en",
"value": "CWE-434"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability, which was classified as critical, has been found in SourceCodester Engineers Online Portal 1.0. This issue affects some unknown processing of the file student_avatar.php. The manipulation of the argument change leads to unrestricted upload. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-240905 was assigned to this vulnerability."
},
{
"lang": "es",
"value": "Una vulnerabilidad fue encontrada en SourceCodester Engineers Online Portal 1.0 y clasificada como crítica. Este problema afecta un procesamiento desconocido del archivo Student_avatar.php. La manipulación del cambio de argumento conduce a una carga sin restricciones. El ataque puede iniciarse de forma remota. El exploit ha sido divulgado al público y puede utilizarse. A esta vulnerabilidad se le asignó el identificador VDB-240905."
}
],
"lastModified": "2026-06-17T06:48:14.480",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:engineers_online_portal_project:engineers_online_portal:1.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "EE2C0236-1BC6-45DD-B5A5-1FE81BD75296"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cna@vuldb.com"
}