Critical
Security advisory
b2evolution version 6.6.0 - 6.8.10 is vulnerable to input validation (backslash and single quote escape) in basic install functionality resulting in unauthenticated attacker gaining PHP code execution on the victim's setup.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2017-1000423
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 09:50 UTC · Revision 1
Source evidence
b2evolution version 6.6.0 - 6.8.10 is vulnerable to input validation (backslash and single quote escape) in basic install functionality resulting in unauthenticated attacker gaining PHP code execution on the victim's setup.
osv:CVE-2017-1000423
Complete source record
{
"id": "2f3fdba46d26888315cf077f9178cb9916c613a0e2b95b50e33515ea8c6e88a4",
"url": "https://osv.dev/vulnerability/CVE-2017-1000423",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2017-1000423",
"summary": "b2evolution version 6.6.0 - 6.8.10 is vulnerable to input validation (backslash and single quote escape) in basic install functionality resulting in unauthenticated attacker gaining PHP code execution on the victim's setup.",
"evidence": "osv:CVE-2017-1000423",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2017-1000423",
"aliases": [
"CVE-2017-1000423"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/b2evolution/b2evolution",
"type": "GIT",
"events": [
{
"introduced": "01beb737f86c06cb4b5f4fe3c3c71f9103077a08"
},
{
"last_affected": "5e00bea0453ee3de69b59fb84ea9ffe79784c440"
},
{
"fixed": "0096a3ebc85f6aadbda2c4427cd092a538b161d2"
},
{
"fixed": "b899d654d931f3bf3cfbbdd71e0d1a0f3a16d04c"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:b2evolution:b2evolution:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "6.6.0"
},
{
"last_affected": "6.8.10"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "0096a3ebc85f6aadbda2c4427cd092a538b161d2"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "b899d654d931f3bf3cfbbdd71e0d1a0f3a16d04c"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"6.8.10",
"6.8.9",
"6.8.8",
"6.8.7",
"6.8.6",
"6.8.5",
"6.8.4",
"6.8.3",
"6.8.2",
"6.8.1",
"6.8.0-beta",
"6.7.7",
"6.7.6",
"6.7.5",
"6.6.8",
"6.6.7",
"6.7.0-alpha",
"6.6.6",
"6.6.5",
"6.6.4",
"6.6.1",
"6.6.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-1000423.json"
}
}
],
"modified": "2026-10-20T10:48:07.251621865Z",
"provider": "osv",
"references": [
"https://github.com/b2evolution/b2evolution/commit/0096a3ebc85f6aadbda2c4427cd092a538b161d2",
"https://github.com/b2evolution/b2evolution/commit/b899d654d931f3bf3cfbbdd71e0d1a0f3a16d04c"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2017-1000423",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 380056,
"published_at": "2018-01-02T20:29:00.237+00:00"
}