VDB-356260 · CVE-2026-5812 · EUVD-2026-20803

SourceCodester Pharmacy Product Management System 1.0 POST Parameter add-sales.php txtqty logic error

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.9	$0-$5k	2.10

Summaryinfo

A vulnerability, which was classified as critical, was found in SourceCodester Pharmacy Product Management System 1.0. This vulnerability affects unknown code of the file add-sales.php of the component POST Parameter Handler. Executing a manipulation of the argument txtqty can lead to logic error. This vulnerability is registered as CVE-2026-5812. It is possible to launch the attack remotely. Furthermore, an exploit is available.

Detailsinfo

A vulnerability has been found in SourceCodester Pharmacy Product Management System 1.0 and classified as critical. This vulnerability affects some unknown functionality of the file add-sales.php of the component POST Parameter Handler. The manipulation of the argument txtqty with an unknown input leads to a logic error vulnerability. The CWE definition for the vulnerability is CWE-840. As an impact it is known to affect integrity, and availability.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-5812. The exploitation appears to be easy. The attack can be initiated remotely. Technical details and also a public exploit are known.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. By approaching the search of inurl:add-sales.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-20803). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

SourceCodester

Name

Pharmacy Product Management System

Version

License

free

Website

Vendor: https://www.sourcecodester.com/

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 4.9

VulDB Base Score: 5.4
VulDB Temp Score: 4.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Logic error
CWE: CWE-840
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Google Hack: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/08/2026 Advisory disclosed
04/08/2026 +0 days VulDB entry created
04/09/2026 +1 days VulDB entry last update

Sourcesinfo

Vendor: sourcecodester.com

Advisory: github.com
Status: Not defined

CVE: CVE-2026-5812 (🔒)
GCVE (CVE): GCVE-0-2026-5812
GCVE (VulDB): GCVE-100-356260
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/08/2026 17:27
Updated: 04/09/2026 03:23
Changes: 04/08/2026 17:27 (56), 04/09/2026 03:23 (1)
Complete: 🔍
Submitter: FuKun
Cache ID: 216:D3F:103

Submitinfo

Accepted

Submit #787680: SourceCodester Pharmacy Product Management System 1.0 Business Logic Errors (by github.com)