SQL Injection Vulnerability in CodeAstro Online Classroom Application
CVE-2026-7742

5.3MEDIUM

Key Information:

Vendor

Codeastro

Status
Online Classroom
Vendor
CVE Published:
4 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-7742?

A vulnerability has been identified in CodeAstro's Online Classroom version 1.0, specifically in an undisclosed function located in the faculty login script. Manipulating the 'fid' argument allows for SQL injection attacks, which can be executed remotely. This exposure enables unauthorized users to execute arbitrary SQL queries in the database, potentially leading to data leakage or system compromise. With the exploit details made public, the risk of attacks is heightened, making prompt remediation essential.

Affected Version(s)

Online Classroom 1.0

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-2026-7742 - Proof of Concept

References

https://vuldb.com/vuln/360917
vdb-entrytechnical-description
https://vuldb.com/vuln/360917/cti
signaturepermissions-required
https://vuldb.com/submit/807694
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
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

yu_ji (VulDB User)
.