A flaw has been found in SourceCodester Malawi Online Market 1.0. The impacted element is an unknown function of the file /display.php. Executing a manipulation of the argument ID can lead to sql injection. It is possible to launch the attack remotely. The exploit has been published and may be used.
Security readout for executives and security teams
Plain-English summary
CVE-2026-4838 is a SQL injection issue in SourceCodester Malawi Online Market 1.0. A remote unauthenticated attacker may manipulate the ID argument to affect database queries. The sources report a public proof of concept, but do not show confirmed active exploitation.
Executive priority
Treat this as a high-priority exposure check for any organization running this niche PHP market application. Public exploit availability raises urgency, but asset presence must be confirmed first.
Technical view
The issue affects /display.php in Malawi Online Market 1.0. The vulnerable input is the ID argument, mapped to CWE-89 and CWE-74. CVSS v2 is 7.5 with network access, low complexity, no authentication, and partial confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely on internet-facing installations of SourceCodester Malawi Online Market 1.0 where /display.php is reachable. The bundle does not provide install-base size, CPEs, patch status, or managed-service exposure details.
Exploitation context
The CVE description states the exploit has been published and may be used, and a GitHub exploit reference is listed. KEV is false, and the supplied sources do not prove in-the-wild exploitation.
Researcher notes
Evidence is limited to CVE/VulDB-style reporting and a listed public exploit reference. No official patch, affected CPE, or active exploitation evidence is included in the bundle. Validate scope before escalating beyond exposed version 1.0 instances.
Mitigation direction
Check SourceCodester or project guidance for an official fix or maintainer update.
Restrict public access to affected Malawi Online Market 1.0 deployments until remediated.
Review /display.php database handling for unsafe ID query construction.
Use parameterized database queries where local code remediation is required.
Monitor web and database logs for suspicious requests to display.php.
Validation and detection
Inventory any SourceCodester Malawi Online Market deployments and confirm version 1.0 status.
Confirm whether /display.php is internet-facing or reachable by untrusted users.
Review application code for unsafely constructed SQL using the ID argument.
Check logs for unusual ID values or database errors tied to display.php.
Verify remediation in a controlled environment without using public exploit payloads.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
cwe · low confidence lookup
CWE-74: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Injection into data stores can inform collection, data access, and exfiltration detection reviews. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.