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CVE-2021-47853 — Vulnerability in phppgadmin/phppgadmin — CVE Details

HIGH

phpPgAdmin contains a remote command execution vulnerability

Published January 21, 2026Updated February 3, 2026Source: osv

Summary

phpPgAdmin 7.13.0 contains a remote command execution vulnerability that allows authenticated attackers to execute arbitrary system commands through SQL query manipulation. Attackers can create a custom table, upload a malicious .txt file, and use the COPY FROM PROGRAM command to execute operating system commands with the application's privileges.

Advisory Timeline

  • First published January 21, 2026 (264 days ago).
  • Last revised February 3, 2026 — 13 days after initial publication.

Affected Packages (1)

Affects 1 ecosystem: packagist (1).

PackageEcosystemAffectedFixed In
phppgadmin/phppgadmin
packagist
All versionsRange-based data available

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-78
    OS Command InjectionMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 8.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2021-47853?
phpPgAdmin contains a remote command execution vulnerability This vulnerability has been assigned a severity rating of HIGH (CVSS score: 8.8/10).
How do I check if my project is affected by CVE-2021-47853?
CVE-2021-47853 affects phppgadmin/phppgadmin. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2021-47853 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
8.8

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-86gh-c8r8-xwhq

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