SQL Injection Vulnerability in Joomla LMS King Professional by Joomla
CVE-2017-20274

8.8HIGH

Key Information:

Vendor

King-products

Status
Lms King Professional
Vendor
CVE Published:
19 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2017-20274?

The Joomla LMS King Professional version 3.2.4.0 is susceptible to an SQL injection vulnerability that enables unauthenticated attackers to alter database queries. By injecting malicious SQL code through the cp_id parameter, an attacker can issue crafted GET requests to index.php, exploiting specific parameters such as option=com_lmsking, view=lmsking, layout=learningpath, and task=learningPath. This flaw allows unauthorized users to access and extract sensitive information from the database, posing significant security risks.

Affected Version(s)

LMS King Professional 3.2.4.0

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-2017-20274 - Proof of Concept

References

https://www.exploit-db.com/exploits/42415
exploit
https://www.vulncheck.com/advisories/joomla-lms-king-prof...
third-party-advisory

CVSS V4

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
Low
Availability:
None
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

Ihsan Sencan
.