CVE-2026-4570VulnerabilityPublished 23 Mar 2026

CVE-2026-4570: SourceCodester Sales and Inventory System · SQL Injection

Affects SourceCodester Sales and Inventory SystemSource CVE Database V5

Not known to be exploited · CVSS 5.3 Medium.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 4.0 base score

5.3Medium

How severe the flaw is on the 0–10 CVSS scale.

EPSS: 0.3% chance of exploitation in 30 days – higher than 23% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Base metrics

Attack Vector: Network
Attack Complexity: Low
Attack Requirements: None
Privileges Required: Low
User Interaction: None
Vulnerable system confidentiality: Low
Vulnerable system integrity: Low
Vulnerable system availability: Low
Subsequent system confidentiality: None
Subsequent system integrity: None
Subsequent system availability: None

Threat metrics

Exploit Maturity: POC

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Network: The vulnerable system is bound to the network stack and the set of possible attackers extends beyond the other options listed below, up to and including the entire Internet. Such a vulnerability is often termed “remotely exploitable” and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers).
Attack Complexity: Low: The attacker must take no measurable action to exploit the vulnerability. The attack requires no target-specific circumvention to exploit the vulnerability. An attacker can expect repeatable success against the vulnerable system.
Attack Requirements: None: The successful attack does not depend on the deployment and execution conditions of the vulnerable system. The attacker can expect to be able to reach the vulnerability and execute the exploit under all or most instances of the vulnerability.
Privileges Required: Low: The attacker requires privileges that provide basic capabilities that are typically limited to settings and resources owned by a single low-privileged user. Alternatively, an attacker with Low privileges has the ability to access only non-sensitive resources.
User Interaction: None: The vulnerable system can be exploited without interaction from any human user, other than the attacker.
Vulnerable system confidentiality: Low: There is some loss of confidentiality. Access to some restricted information is obtained, but the attacker does not have control over what information is obtained, or the amount or kind of loss is limited. The information disclosure does not cause a direct, serious loss to the Vulnerable System.
Vulnerable system integrity: Low: Modification of data is possible, but the attacker does not have control over the consequence of a modification, or the amount of modification is limited. The data modification does not have a direct, serious impact to the Vulnerable System.
Vulnerable system availability: Low: Performance is reduced or there are interruptions in resource availability. Even if repeated exploitation of the vulnerability is possible, the attacker does not have the ability to completely deny service to legitimate users. The resources in the Vulnerable System are either partially available all of the time, or fully available only some of the time, but overall there is no direct, serious consequence to the Vulnerable System.
Subsequent system confidentiality: None: There is no loss of confidentiality within the Subsequent System or all confidentiality impact is constrained to the Vulnerable System.
Subsequent system integrity: None: There is no loss of integrity within the Subsequent System or all integrity impact is constrained to the Vulnerable System.
Subsequent system availability: None: There is no impact to availability within the Subsequent System or all availability impact is constrained to the Vulnerable System.
Exploit Maturity: POC: Based on threat intelligence sources each of the following must apply: · Proof-of-concept is publicly available · No knowledge of reported attempts to exploit this vulnerability · No knowledge of publicly available solutions used to simplify attempts to exploit the vulnerability

Definitions: FIRST CVSS v4.0 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 23 Mar 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Affected software

Product	Affected	Fixed in
SourceCodesterSales and Inventory System	Affected =1.0	Fixed in–

AI-suggested

To mitigate CVE-2026-4570, organizations should first check for any official patches or updates from SourceCodester and apply them promptly once available. In the absence of vendor patches, immediate steps include implementing input validation and sanitization on the 'searchtxt' parameter to prevent malicious SQL code injection. Employing parameterized queries or prepared statements in the application code is critical to eliminate direct concatenation of user input into SQL queries. Web application firewalls (WAFs) can be deployed to detect and block SQL injection attempts targeting this endpoint. Additionally, restricting database user privileges to the minimum necessary can limit the impact of a successful injection. Regular security audits and code reviews should be conducted to identify and remediate similar vulnerabilities. Monitoring logs for unusual database queries or errors related to the /view_customers.php endpoint can help detect exploitation attempts early. Finally, organizations should consider isolating or segmenting the affected system within their network to reduce exposure until a permanent fix is applied.

Description

A vulnerability was identified in SourceCodester Sales and Inventory System 1.0. Affected is an unknown function of the file /view_customers.php of the component HTTP POST Request Handler. Such manipulation of the argument searchtxt leads to sql injection. The attack can be executed remotely. The exploit is publicly available and might be used.

Impact

The exploitation of CVE-2026-4570 can have significant consequences for organizations using the affected SourceCodester Sales and Inventory System. Attackers can remotely execute arbitrary SQL commands, potentially leading to unauthorized disclosure of sensitive customer and business data, modification or deletion of critical records, and disruption of inventory and sales operations. This can result in financial losses, reputational damage, and regulatory compliance violations, especially if personal or payment data is exposed. The vulnerability's remote and unauthenticated nature increases the attack surface and risk, as attackers do not need valid credentials or user interaction to exploit it. Organizations relying on this system for critical business functions may face operational downtime or data integrity issues, impacting supply chain and customer service. Although no known exploits are currently active in the wild, the availability of a public exploit increases the risk of targeted attacks, especially from opportunistic threat actors. The medium CVSS score reflects a moderate but non-negligible risk that requires timely mitigation to prevent escalation.

References

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 23 Mar 2026, 17:16 UTC

Technical details

References

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