CVE-2026-57643
Contributor SQL Injection in WP Post Author <= 3.9.1 versions.
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L
- Base score: 8.5
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 0.36%
- Percentile among all scored CVEs: 27
- Score date: 10/2/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
🎯 ATT&CK techniques
How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.
- Exploitation
T1210Exploitation of Remote Serviceslateral movement85 % - Primary impact
T1005Data from Local Systemcollection90 % - Secondary impact
T1068Exploitation for Privilege Escalationprivilege escalation60 % - Secondary impact
T1565.001Stored Data Manipulationimpact75 %
SQL Injection (CWE-89) con acceso de red y privilegios de usuario (PR:L); impacto de confidencialidad alta (lectura de base de datos) e integridad parcial; escalada posible en CVSS con Scope Changed.
Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.
🛡️ ATT&CK mitigations that cover these techniques
Affected technologies (1)
⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.
CWEs
- CWE-89
References
Raw JSON (NVD)
Show
{
"id": "CVE-2026-57643",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-57643",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-06-26T20:12:21.888001Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "audit@patchstack.com",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 8.5,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "LOW",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 4.7,
"exploitabilityScore": 3.1
}
]
},
"affected": [
{
"source": "audit@patchstack.com",
"affectedData": [
{
"vendor": "AF themes",
"product": "WP Post Author",
"versions": [
{
"status": "affected",
"changes": [
{
"at": "3.10.0",
"status": "unaffected"
}
],
"version": "n/a",
"versionType": "custom",
"lessThanOrEqual": "3.9.1"
}
],
"packageName": "wp-post-author",
"collectionURL": "https://wordpress.org/plugins",
"defaultStatus": "unaffected"
}
]
}
],
"published": "2026-06-26T15:16:51.983",
"references": [
{
"url": "https://patchstack.com/database/wordpress/plugin/wp-post-author/vulnerability/wordpress-wp-post-author-plugin-3-9-1-sql-injection-vulnerability?_s_id=cve",
"source": "audit@patchstack.com"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Secondary",
"source": "audit@patchstack.com",
"description": [
{
"lang": "en",
"value": "CWE-89"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Contributor SQL Injection in WP Post Author <= 3.9.1 versions."
}
],
"lastModified": "2026-06-26T21:16:36.957",
"sourceIdentifier": "audit@patchstack.com"
}