Cross Site Scripting Vulnerability in PHPGurukul Daily Expense Tracker System
CVE-2026-90845

5.1MEDIUM

Key Information:

Vendor

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-90845?

A cross site scripting vulnerability exists in the PHPGurukul Daily Expense Tracker System 1.1, specifically in the processing of the argument FullName within the /dets/includes/sidebar.php file. This flaw allows attackers to execute scripts remotely, potentially compromising user data and security. The vulnerability highlights the importance of input validation and security measures, especially in web applications where user-supplied data is processed.

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-2026-90845 - Proof of Concept

References

https://vuldb.com/vuln/403397
vdb-entrytechnical-description
https://vuldb.com/vuln/403397/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-90845
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

n4k3r0 (VulDB User)
.