CVE-2026-116605 in Online Food Ordering System
Summary
by MITRE • 10/27/2026
A vulnerability was found in SourceCodester Online Food Ordering System 1.0. The impacted element is an unknown function of the file order.php. The manipulation of the argument price/title results in client-side enforcement of server-side security. It is possible to launch the attack remotely. The exploit has been made public and could be used.
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Analysis
by VulDB Data Team • 10/27/2026
The SourceCodester Online Food Ordering System version 1.0 contains a critical security flaw within its order processing logic, specifically located in the unknown function associated with the file order.php. This vulnerability stems from an insecure implementation of client-side validation mechanisms that are erroneously relied upon to enforce server-side business rules and data integrity constraints. In secure software architecture, any input received from external sources must be validated on the server side because client-side controls can be easily bypassed by attackers using standard web debugging tools or custom scripts. The specific failure here involves the manipulation of arguments related to price and title fields, where the application trusts values submitted directly by the user without performing adequate verification against expected formats, ranges, or business logic constraints.
This architectural weakness allows for a remote code execution scenario in terms of data integrity rather than traditional shell access, but it effectively compromises the system's ability to maintain accurate financial records and order states. An attacker can craft malicious HTTP requests that modify the price parameter to significantly lower values or alter the title field with arbitrary content before submitting the form. Since the server fails to re-validate these inputs against its internal logic, such as checking if a discounted price is legitimate based on current promotions or verifying that the item title matches an existing database entry, the system processes the fraudulent order. This leads directly to financial loss for the merchant and potential inventory discrepancies, as items may be sold at incorrect prices or with manipulated descriptions that do not reflect actual stock availability.
From a classification perspective, this vulnerability aligns closely with CWE-20 Improper Input Validation, specifically where input validation is performed on the client side rather than the server side. It also relates to CWE-841 Improper Enforcement of Business Rules, as the application fails to enforce pricing policies and data consistency rules during transaction processing. In terms of offensive security frameworks like MITRE ATT&CK, this behavior facilitates techniques associated with Tampering or Exploitation for Financial Gain, allowing adversaries to manipulate system outputs by altering input parameters without detection. The fact that an exploit has been made public significantly increases the risk landscape, as automated scanners and malicious actors can readily leverage these known patterns to target instances of this software still in use.
To mitigate this vulnerability, developers must implement robust server-side validation for all user-supplied data, particularly financial fields like price and identifiers like product titles. The application should verify that submitted prices correspond to valid entries in the database or adhere to predefined discount rules before processing an order. Additionally, implementing anti-CSRF tokens would prevent unauthorized state changes if the vulnerability is triggered via cross-site request forgery vectors. For system administrators using this open-source solution, immediate patching by updating to a secure version of the codebase or applying community-provided fixes that enforce server-side checks is essential. Until such patches are applied, deploying Web Application Firewalls with rulesets designed to detect anomalous price values in order submissions can provide an additional layer of defense against exploitation attempts.