Remote Command Execution Vulnerability in phpPgAdmin by phpPgAdmin
CVE-2021-47853

8.6HIGH

Key Information:

Vendor

PHPpgadmin

Status
PHPpgadmin
Vendor
CVE Published:
21 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-47853?

phpPgAdmin 7.13.0 is affected by a remote command execution vulnerability that enables authenticated attackers to execute arbitrary system commands. This is achieved through SQL query manipulation, where attackers can create custom tables, upload malicious .txt files, and leverage the COPY FROM PROGRAM command to execute operating system commands with the privileges of the application. This vulnerability poses a significant risk, allowing for potential exploitation and unauthorized access to sensitive system functions.

Affected Version(s)

phpPgAdmin 7.13.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-47853 - Proof of Concept

References

https://www.exploit-db.com/exploits/49736
exploit
https://github.com/phppgadmin/phppgadmin/releases
product
https://www.vulncheck.com/advisories/phppgadmin-copy-from...
third-party-advisory

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Valerio Severini
JSON
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