Security advisory
In GLPI before version 9.5.2, the `install/install.php` endpoint insecurely stores user input into the database as `url_base` and `url_base_api`. These settings are referenced throughout the application and allow for vulnerabilities like Cross-Site Scripting and Insecure Redirection Since authentication is not required to perform these changes,anyone could point these fields at malicious websites or form input in a way to trigger XSS. Leveraging JavaScript it's possible to steal cookies, perform actions as the user, etc. The issue is patched in version 9.5.2.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-15177
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 10:52 UTC · Revision 1
Source evidence
In GLPI before version 9.5.2, the `install/install.php` endpoint insecurely stores user input into the database as `url_base` and `url_base_api`. These settings are referenced throughout the application and allow for vulnerabilities like Cross-Site Scripting and Insecure Redirection Since authentication is not required to perform these changes,anyone could point these fields at malicious websites or form input in a way to trigger XSS. Leveraging JavaScript it's possible to steal cookies, perform actions as the user, etc. The issue is patched in version 9.5.2.
osv:CVE-2020-15177
Complete source record
{
"id": "b380adf0e739365604dc86392002bfc6fbf6caec2f59784ed30f5dd4301daa43",
"url": "https://osv.dev/vulnerability/CVE-2020-15177",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-15177",
"summary": "In GLPI before version 9.5.2, the `install/install.php` endpoint insecurely stores user input into the database as `url_base` and `url_base_api`. These settings are referenced throughout the application and allow for vulnerabilities like Cross-Site Scripting and Insecure Redirection Since authentication is not required to perform these changes,anyone could point these fields at malicious websites or form input in a way to trigger XSS. Leveraging JavaScript it's possible to steal cookies, perform actions as the user, etc. The issue is patched in version 9.5.2.",
"evidence": "osv:CVE-2020-15177",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2020-15177",
"aliases": [
"CVE-2020-15177",
"GHSA-prvh-9m4h-4m79"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/glpi-project/glpi",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "677b4b87af935e23b4aa95c4eff07c1bd87ce8ab"
},
{
"fixed": "a8109d4ee970a222faf48cf48fae2d2f06465796"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:glpi-project:glpi:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "9.5.2"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "a8109d4ee970a222faf48cf48fae2d2f06465796"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"9.5.1",
"9.5.0",
"9.5.0-rc2",
"9.5.0-rc1",
"9.4.1.1",
"9.4.1",
"9.4.0",
"9.4.0-rc2",
"9.4.0-rc1",
"9.4.0-beta",
"9.3-beta",
"9.1",
"9.1-RC2",
"9.1-RC1",
"0.90",
"0.90-RC2",
"0.90-RC1",
"0.90-beta2",
"0.90-beta1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-15177.json"
}
}
],
"modified": "2026-10-20T10:51:52.574160387Z",
"provider": "osv",
"references": [
"https://github.com/glpi-project/glpi/security/advisories/GHSA-prvh-9m4h-4m79",
"https://github.com/glpi-project/glpi/commit/a8109d4ee970a222faf48cf48fae2d2f06465796"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2020-15177",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 383064,
"published_at": "2020-10-07T19:15:12.797+00:00"
}