5.5
MEDIUM CVSS 2.0
CVE-2026-5811
SourceCodester Online Food Ordering System POST Parameter Actions.php save_product logic error
Description

A vulnerability was identified in SourceCodester Online Food Ordering System 1.0. Affected by this issue is the function save_product of the file /Actions.php of the component POST Parameter Handler. Such manipulation of the argument price leads to business logic errors. The attack may be performed from remote. The exploit is publicly available and might be used.

INFO

Published Date :

April 8, 2026, 11:17 p.m.

Last Modified :

April 8, 2026, 11:17 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-5811 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 MEDIUM [email protected]
Solution
Sanitize user input for price and validate it rigorously before processing.
  • Validate the price input on the server-side.
  • Implement strict checks for acceptable price formats.
  • Reject any price values that seem invalid.
  • Update the product saving logic to enforce price constraints.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-5811.

URL Resource
https://github.com/meifukun/Web-Security-PoCs/blob/main/Online-Food-Ordering-System/BusinessLogic-Product-NegativePrice.md
https://vuldb.com/submit/787678
https://vuldb.com/vuln/356259
https://vuldb.com/vuln/356259/cti
https://www.sourcecodester.com/
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-5811 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-5811 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-5811 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-5811 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Apr. 08, 2026

    Action Type Old Value New Value
    Added Description A vulnerability was identified in SourceCodester Online Food Ordering System 1.0. Affected by this issue is the function save_product of the file /Actions.php of the component POST Parameter Handler. Such manipulation of the argument price leads to business logic errors. The attack may be performed from remote. The exploit is publicly available and might be used.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/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
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
    Added CVSS V2 (AV:N/AC:L/Au:S/C:N/I:P/A:P)
    Added CWE CWE-840
    Added Reference https://github.com/meifukun/Web-Security-PoCs/blob/main/Online-Food-Ordering-System/BusinessLogic-Product-NegativePrice.md
    Added Reference https://vuldb.com/submit/787678
    Added Reference https://vuldb.com/vuln/356259
    Added Reference https://vuldb.com/vuln/356259/cti
    Added Reference https://www.sourcecodester.com/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.