Security advisory
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
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"
}