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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2018-11564

Stored XSS in YOOtheme Pagekit 1.0.13 and earlier allows a user to upload malicious code via the picture upload feature. A user with elevated privileges could upload a photo to the system in an SVG format. This file will be uploaded to the system and it will not be stripped or filtered. The user can create a link on the website pointing to "/storage/poc.svg" that will point to http://localhost/pagekit/storage/poc.svg. When a user comes along to click that link, it will trigger a XSS attack.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2018-11564
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 04:14 UTC · Revision 1

Source evidence

CVE-2018-11564

core-osv · Original source

Published 2 Jun 2018, 01:29 UTC

Stored XSS in YOOtheme Pagekit 1.0.13 and earlier allows a user to upload malicious code via the picture upload feature. A user with elevated privileges could upload a photo to the system in an SVG format. This file will be uploaded to the system and it will not be stripped or filtered. The user can create a link on the website pointing to "/storage/poc.svg" that will point to http://localhost/pagekit/storage/poc.svg. When a user comes along to click that link, it will trigger a XSS attack.

osv:CVE-2018-11564
Complete source record
{
  "id": "820307e1e9f451948b0d79eb5e7a6b7c962f51fd65188a0a9d89e4971133e96d",
  "url": "https://osv.dev/vulnerability/CVE-2018-11564",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-11564",
    "summary": "Stored XSS in YOOtheme Pagekit 1.0.13 and earlier allows a user to upload malicious code via the picture upload feature. A user with elevated privileges could upload a photo to the system in an SVG format. This file will be uploaded to the system and it will not be stripped or filtered. The user can create a link on the website pointing to \"/storage/poc.svg\" that will point to http://localhost/pagekit/storage/poc.svg. When a user comes along to click that link, it will trigger a XSS attack.",
    "evidence": "osv:CVE-2018-11564",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-11564",
      "aliases": [
        "CVE-2018-11564",
        "GHSA-3rwj-v7jp-w542"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/pagekit/pagekit",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "c45d9f4820ba99fc7406ea30f8c427f55cff9243"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:pagekit:pagekit:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.0.13"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.0.13",
            "1.0.12",
            "1.0.11",
            "1.0.10",
            "1.0.9",
            "1.0.8",
            "1.0.7",
            "1.0.6",
            "1.0.5",
            "1.0.4",
            "1.0.3",
            "1.0.2",
            "1.0.1",
            "1.0.0",
            "0.11.3",
            "0.11.2",
            "0.11.1",
            "0.11.0",
            "0.10.4",
            "0.10.3",
            "0.10.2",
            "0.10.1",
            "0.10.0",
            "0.9.5",
            "0.9.4",
            "0.9.3",
            "0.9.2",
            "0.9.1",
            "0.9.0",
            "0.8.8"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-11564.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:15.909369925Z",
      "provider": "osv",
      "references": [
        "https://packetstormsecurity.com/files/148001/PageKit-CMS-1.0.13-Cross-Site-Scripting.html",
        "https://www.exploit-db.com/exploits/44837/"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-11564",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 429232,
  "published_at": "2018-06-02T01:29:05.453+00:00"
}