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High

Security advisory

Type: advisorySources: OSVCVE: CVE-2018-19135

ClipperCMS 1.3.3 does not have CSRF protection on its kcfinder file upload (enabled by default). This can be used by an attacker to perform actions for an admin (or any user with the file upload capability). With this vulnerability, one can automatically upload files (by default, it allows html, pdf, xml, zip, and many other file types). A file can be accessed publicly under the "/assets/files" directory.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2018-19135
Confirmed fixed CVEs
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Updated in this feed
31 Oct 2026, 09:47 UTC · Revision 1

Source evidence

CVE-2018-19135

core-osv · Original source

Published 11 Nov 2018, 04:29 UTC

ClipperCMS 1.3.3 does not have CSRF protection on its kcfinder file upload (enabled by default). This can be used by an attacker to perform actions for an admin (or any user with the file upload capability). With this vulnerability, one can automatically upload files (by default, it allows html, pdf, xml, zip, and many other file types). A file can be accessed publicly under the "/assets/files" directory.

osv:CVE-2018-19135
Complete source record
{
  "id": "f4acd277dbfdf690612570178aeb479ea0082738cb5cb0c748523d31c551fea3",
  "url": "https://osv.dev/vulnerability/CVE-2018-19135",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-19135",
    "summary": "ClipperCMS 1.3.3 does not have CSRF protection on its kcfinder file upload (enabled by default). This can be used by an attacker to perform actions for an admin (or any user with the file upload capability). With this vulnerability, one can automatically upload files (by default, it allows html, pdf, xml, zip, and many other file types). A file can be accessed publicly under the \"/assets/files\" directory.",
    "evidence": "osv:CVE-2018-19135",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2018-19135",
      "aliases": [
        "CVE-2018-19135"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/clippercms/clippercms",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0ee9f2cb5bafc683fb7424d484669356c0662ac4"
                },
                {
                  "last_affected": "0ee9f2cb5bafc683fb7424d484669356c0662ac4"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:clippercms:clippercms:1.3.3:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.3.3"
                      },
                      {
                        "last_affected": "1.3.3"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.3.3",
            "clipper_1.3.3"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-19135.json"
          }
        }
      ],
      "modified": "2026-10-20T10:47:58.319147686Z",
      "provider": "osv",
      "references": [
        "https://github.com/ClipperCMS/ClipperCMS/issues/494",
        "https://www.exploit-db.com/exploits/45839/"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-19135",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 379874,
  "published_at": "2018-11-11T04:29:00.173+00:00"
}