CVE-2026-96739 (GCVE-0-2026-96739)
Vulnerability from cvelistv5 – Published: 2026-09-23 23:15 – Updated: 2026-09-23 23:15
VLAI
EPSS
VEX
Title
SEMCMS KindEditor Upload upload_json.php cross site scripting
Summary
A flaw has been found in SEMCMS up to 4.2. Affected by this issue is some unknown functionality of the file /Edit/php/upload_json.php of the component KindEditor Upload Interface. This manipulation of the argument imgFile causes cross site scripting. The attack may be initiated remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/409004 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/409004/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-96739 | third-party-advisory |
| https://vuldb.com/submit/904124 | third-party-advisory |
| https://github.com/CSDVi/cve/issues/7 | exploitissue-tracking |
Impacted products
{
"containers": {
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:semcms:semcms:*:*:*:*:*:*:*:*"
],
"modules": [
"KindEditor Upload Interface"
],
"product": "SEMCMS",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "4.0"
},
{
"status": "affected",
"version": "4.1"
},
{
"status": "affected",
"version": "4.2"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "david_12 (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "A flaw has been found in SEMCMS up to 4.2. Affected by this issue is some unknown functionality of the file /Edit/php/upload_json.php of the component KindEditor Upload Interface. This manipulation of the argument imgFile causes cross site scripting. The attack may be initiated remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R",
"version": "3.1"
}
},
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"version": "3.0"
}
},
{
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}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-79",
"description": "Cross Site Scripting",
"lang": "en",
"type": "CWE"
}
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},
{
"descriptions": [
{
"cweId": "CWE-94",
"description": "Code Injection",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-23T23:15:10.079Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-409004 | SEMCMS KindEditor Upload upload_json.php cross site scripting",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/409004"
},
{
"name": "VDB-409004 | CTI Indicators (IOB, IOC, TTP, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/409004/cti"
},
{
"name": "CVE-2026-96739 | CVE Analysis and Report",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/cve/CVE-2026-96739"
},
{
"name": "Submit #904124 | SEMCMS SEMCMS Foreign Trade Website PHP Multilingual Version 4.2 Unrestricted File Upload",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/904124"
},
{
"tags": [
"exploit",
"issue-tracking"
],
"url": "https://github.com/CSDVi/cve/issues/7"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-09-23T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-09-23T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-09-23T17:47:12.000Z",
"value": "VulDB entry last update"
}
],
"title": "SEMCMS KindEditor Upload upload_json.php cross site scripting",
"x_generator": [
"VulDB PVTS v202609"
]
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-96739",
"datePublished": "2026-09-23T23:15:10.079Z",
"dateReserved": "2026-09-23T15:42:06.965Z",
"dateUpdated": "2026-09-23T23:15:10.079Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-96739",
"date": "2026-09-24",
"epss": "0.00263",
"percentile": "0.16143"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"cpes": [
"cpe:2.3:a:semcms:semcms:*:*:*:*:*:*:*:*"
],
"modules": [
"KindEditor Upload Interface"
],
"product": "SEMCMS",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "4.0"
},
{
"status": "affected",
"version": "4.1"
},
{
"status": "affected",
"version": "4.2"
}
]
}
],
"source": "cna@vuldb.com"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A flaw has been found in SEMCMS up to 4.2. Affected by this issue is some unknown functionality of the file /Edit/php/upload_json.php of the component KindEditor Upload Interface. This manipulation of the argument imgFile causes cross site scripting. The attack may be initiated remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
}
],
"id": "CVE-2026-96739",
"lastModified": "2026-09-24T00:17:22.990",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "cna@vuldb.com",
"type": "Secondary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 1.4,
"source": "cna@vuldb.com",
"type": "Primary"
}
],
"cvssMetricV40": [
{
"cvssData": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"availabilityRequirement": "NOT_DEFINED",
"baseScore": 2.1,
"baseSeverity": "LOW",
"confidentialityRequirement": "NOT_DEFINED",
"exploitMaturity": "PROOF_OF_CONCEPT",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "PASSIVE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "LOW",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"source": "cna@vuldb.com",
"type": "Secondary"
}
]
},
"published": "2026-09-24T00:17:22.990",
"references": [
{
"source": "cna@vuldb.com",
"url": "https://github.com/CSDVi/cve/issues/7"
},
{
"source": "cna@vuldb.com",
"url": "https://vuldb.com/cve/CVE-2026-96739"
},
{
"source": "cna@vuldb.com",
"url": "https://vuldb.com/submit/904124"
},
{
"source": "cna@vuldb.com",
"url": "https://vuldb.com/vuln/409004"
},
{
"source": "cna@vuldb.com",
"url": "https://vuldb.com/vuln/409004/cti"
}
],
"sourceIdentifier": "cna@vuldb.com",
"vulnStatus": "Received",
"weaknesses": [
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"value": "CWE-79"
},
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"value": "CWE-94"
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],
"source": "cna@vuldb.com",
"type": "Primary"
}
]
}
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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