CVE-2021-47811

CRITICAL
2026-01-16 [email protected]
9.1
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Feb 02, 2026 - 16:16 vuln.today
Public exploit code
CVE Published
Jan 16, 2026 - 00:16 nvd
CRITICAL 9.1

Tags

SQLi Grocery Crud

Description

Grocery Crud 1.6.4 contains a SQL injection vulnerability in the order_by parameter that allows remote attackers to manipulate database queries. Attackers can inject malicious SQL code through the order_by[] parameter in POST requests to the ajax_list endpoint to potentially extract or modify database information.

Analysis

Grocery Crud 1.6.4 has a SQL injection vulnerability in the order_by parameter, allowing remote attackers to read, modify, or delete database contents through crafted sort requests.

Technical Context

The order_by parameter in Grocery Crud 1.6.4 is concatenated directly into SQL queries without sanitization. This CWE-89 SQL injection allows attackers to append arbitrary SQL clauses to ORDER BY statements.

Affected Products

['Grocery Crud 1.6.4']

Remediation

Upgrade Grocery Crud to a patched version. Use parameterized queries and whitelist allowed sort columns.

Priority Score

66
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +46
POC: +20

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CVE-2021-47811 vulnerability details – vuln.today
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