High severity · published Mar 24, 2026
CVE-2026-4781
SourceCodester Sales and Inventory System HTTP GET Parameter update_purchase.php sql injection
8.8
CVSS
0.3%
EPSS
No
On KEV
Description
A flaw has been found in SourceCodester Sales and Inventory System 1.0. The affected element is an unknown function of the file update_purchase.php of the component HTTP GET Parameter Handler. Executing a manipulation of the argument sid can lead to sql injection. The attack may be performed from remote. The exploit has been published and may be used.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 23% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SA
Sales and Inventory System · SourceCodester
1.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-4781
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-4781
Exploit
https://github.com/meifukun/Web-Security-PoCs/blob/main/Inventory-System/SQLi-UpdatePurchase-sid.md
Permissions Required
https://vuldb.com/?ctiid.352799
Third Party Advisory
https://vuldb.com/?id.352799
Third Party Advisory
https://vuldb.com/?submit.775174
Product
https://www.sourcecodester.com/
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