EUVD-2026-22032
GHSA-4pq4-q672-hqmr
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network-accessible unauthenticated registration endpoint with no complexity barrier; partial C/I/A consistent with constrained DB user privileges and no scope change.
Primary rating from NVD.
CVSS VectorNVD
Lifecycle Timeline
7DescriptionCVE.org
A security flaw has been discovered in PHPGurukul Daily Expense Tracking System 1.1. Affected is an unknown function of the file /register.php. The manipulation of the argument email results in sql injection. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks.
AnalysisAI
SQL injection in PHPGurukul Daily Expense Tracking System 1.1 exposes the unauthenticated /register.php registration endpoint to remote database manipulation via a crafted email parameter. A proof-of-concept exploit has been publicly released on GitHub, and SSVC assessment confirms the attack is automatable with no prerequisites beyond network access to the application. No public exploitation at scale has been confirmed (not in CISA KEV) and EPSS remains at 0.03%, though the unauthenticated attack surface combined with available exploit code represents a concrete risk for any internet-facing deployment.
Technical ContextAI
The affected product is PHPGurukul Daily Expense Tracking System 1.1, identified by CPE cpe:2.3:a:phpgurukul:daily_expense_tracking_system:*:*:*:*:*:*:*:*. PHPGurukul develops open-source PHP web applications primarily targeting educational and small-business use cases, typically pairing PHP with MySQL or MariaDB backends using raw SQL query construction rather than prepared statements or ORM abstraction layers. The root cause is CWE-89 (Improper Neutralization of Special Elements used in an SQL Command): user-supplied input in the email field of the /register.php registration handler is interpolated directly into a database query without sanitization or parameterization, enabling an attacker to alter query logic. This architectural pattern - inline string concatenation for SQL - is endemic to older PHP codebases and is the direct enabler of this class of flaw.
RemediationAI
No vendor-released patch has been identified at time of analysis; the patch status is unknown and no fixed version has been confirmed from available references. The primary mitigation is to avoid exposing PHPGurukul Daily Expense Tracking System 1.1 to untrusted networks. If the application must remain operational, restrict access to /register.php at the web server or firewall level using IP allowlisting - note this disables public self-registration as a side effect. A WAF rule blocking common SQL injection patterns (single quotes, UNION SELECT, comment sequences) in the email POST parameter provides a compensating control, but WAF bypass techniques exist and this should not be treated as a complete fix. Developers with source access should refactor the affected query in /register.php to use PDO or MySQLi prepared statements with bound parameters, which eliminates the injection vector at its root. Reference the public PoC at https://github.com/f1rstb100d/CVE/issues/47 to understand the injection payload and verify remediation effectiveness. NVD entry: https://nvd.nist.gov/vuln/detail/CVE-2026-6193.
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External POC / Exploit Code
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