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CVE-2026-96739

📛 CVE Title

SEMCMS KindEditor Upload upload_json.php cross site scripting

Description

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.

Overview

State
PUBLISHED
Assigner (CNA)
VulDB
CVSS severity
MEDIUM
CVSS score
CVSS 5.3 / 10 5.3 5.3 / 10
CVSS vector
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
Effective score
5.3 / 10 MEDIUM source: CNA overview
CWE(s)
CWE-79, CWE-94
Reserved
2026-09-23
Published
2026-09-23 23:15 UTC
Last updated
2026-09-23 23:15 UTC
Source
https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/96xxx/CVE-2026-96739.json

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published
2026-09-24 00:17:22 UTC
NVD last modified
2026-09-24 00:17:22 UTC
NVD CVSS v3.1
CVSS 4.3 / 10 4.3 4.3 / 10 MEDIUM source: cna@vuldb.com
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Exploitability subscore
2.8 / 10
Impact subscore
1.4 / 10

NVD / KEV / EPSS data refreshed 2026-09-24 04:23 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID
EUVD-2026-85737

EUVD enrichment is queued; refresh the page in a few seconds.

Affected products (1)

VendorProductVersionsPlatforms
n/a SEMCMS 4.0 (affected), 4.1 (affected), 4.2 (affected)

Vendor references (5)

References embedded in the original CVE record by the assigning CNA.

Web references (0)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

No web references attached yet.

NVD-tagged references (5)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-96739.json.

{
  "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"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "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"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 5,
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "Cross Site Scripting",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "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"
}