High
Remote Code Execution by uploading a phar file using frontmatter
Type: advisorySources: OSV
Grav is a content management system (CMS). Prior to version 1.7.43, users who may write a page may use the `frontmatter` feature due to insufficient permission validation and inadequate file name validation. This may lead to remote code execution. Version 1.7.43 fixes this issue.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2024-27923
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 19:13 UTC · Revision 1
Source evidence
Remote Code Execution by uploading a phar file using frontmatter
core-osv · Original sourcePublished 6 Mar 2024, 20:28 UTC
Grav is a content management system (CMS). Prior to version 1.7.43, users who may write a page may use the `frontmatter` feature due to insufficient permission validation and inadequate file name validation. This may lead to remote code execution. Version 1.7.43 fixes this issue.
osv:CVE-2024-27923
Complete source record
{
"id": "5de758da285825f1207bba2ce4d77f16e264fb89d57c1fdc417b2bf86e893a75",
"url": "https://osv.dev/vulnerability/CVE-2024-27923",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Remote Code Execution by uploading a phar file using frontmatter",
"summary": "Grav is a content management system (CMS). Prior to version 1.7.43, users who may write a page may use the `frontmatter` feature due to insufficient permission validation and inadequate file name validation. This may lead to remote code execution. Version 1.7.43 fixes this issue.",
"evidence": "osv:CVE-2024-27923",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2024-27923",
"aliases": [
"CVE-2024-27923",
"GHSA-f6g2-h7qv-3m5v"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/getgrav/grav",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "1f21d259ea7a2b81208dcaaecd93353bbc438dd1"
},
{
"fixed": "e3b0aa0c502aad251c1b79d1ee973dcd93711f07"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:getgrav:grav:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "1.7.43"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "e3b0aa0c502aad251c1b79d1ee973dcd93711f07"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
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"1.7.42.2",
"1.7.42.1",
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-27923.json"
}
}
],
"modified": "2026-10-28T02:30:38.608660357Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/27xxx/CVE-2024-27923.json",
"https://github.com/getgrav/grav/security/advisories/GHSA-f6g2-h7qv-3m5v",
"https://nvd.nist.gov/vuln/detail/CVE-2024-27923",
"https://github.com/getgrav/grav/commit/e3b0aa0c502aad251c1b79d1ee973dcd93711f07"
],
"provider_metadata": {
"cwe_ids": [
"CWE-287",
"CWE-434"
],
"cna_assigner": "GitHub_M",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/27xxx/CVE-2024-27923.json"
}
},
"related_cves": [
{
"value": "CVE-2024-27923",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 506047,
"published_at": "2024-03-06T20:28:46.695+00:00"
}