SQL Injection Vulnerability in PHPGurukul Daily Expense Tracker System
CVE-2026-90844

6.9MEDIUM

Key Information:

Vendor

PHPgurukul
Status
Daily Expense Tracker System
Vendor
CVE Published:
15 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-90844?

A SQL Injection vulnerability exists in PHPGurukul's Daily Expense Tracker System 1.1, specifically in the /dets/index.php file's login component. By manipulating the 'email' parameter, an attacker can execute arbitrary SQL queries, potentially gaining unauthorized access to sensitive information. This vulnerability is publicly known, making it crucial for users to evaluate their exposure and apply necessary security measures promptly. Remote exploitation is possible, which emphasizes the need for immediate attention to this issue.

Affected Version(s)

Daily Expense Tracker System 1.1

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-2026-90844 - Proof of Concept

References

https://vuldb.com/vuln/403396
vdb-entrytechnical-description
https://vuldb.com/vuln/403396/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-90844
third-party-advisory

CVSS V4

Score:
6.9
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

n4k3r0 (VulDB User)
.