CVE-2026-5811Public exploitNetwork attack vector

Pricing corruption via unchecked negative price

Published Apr 8, 2026 · Updated Apr 8, 2026

Business logic error in SourceCodester Online Food Ordering System 1.0 allows remote authenticated users to corrupt product pricing. The save_product handler in Actions.php accepts a negative price from an HTTP POST request without enforcing a positive numeric value and stores it. Administrator access is required; orders containing the altered product can produce incorrect totals, negative invoices, or billing discrepancies.

CVSS severity5.4
Medium
EPSS probability0.25%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Business logic error in SourceCodester Online Food Ordering System 1.0 allows remote authenticated users to corrupt product pricing. The save_product handler in Actions.php accepts a negative price from an HTTP POST request without enforcing a positive numeric value and stores it. Administrator access is required; orders containing the altered product can produce incorrect totals, negative invoices, or billing discrepancies.

The record

CVE
CVE-2026-5811
Published
Apr 8, 2026
Updated
Apr 8, 2026
Vendor
Online Computer and Laptop Store Project
Product
Online Food Ordering System
Classifications
CWE-840, T1565.001
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Apr 8, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Online Computer and Laptop Store Project · Online Food Ordering Systemversion=1.0

Published CVSS scores

2.1VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
5.5VulDBAV:N/AC:L/Au:S/C:N/I:P/A:P
5.4VulDBCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-840Business Logic Errors
T1565.001Stored Data Manipulation

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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