CVE-2021-41676: An SQL Injection vulnerabilty exists in the oretnom23 Pharmacy Point of Sale System 1.0 in the login function

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2021-41676 is a critical-severity flaw (CVSS 9.8) affecting pharmacy point of sale system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An SQL Injection vulnerabilty exists in the oretnom23 Pharmacy Point of Sale System 1.0 in the login function in actions.php.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.5% (top 26%)
CISA exploited list	No
Weakness	CWE-89
Published	2021-10-29
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: pharmacy point of sale system project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-10-29 16:15 UTCPublished CVE record published
2026-06-17 04:08 UTCUpdated Record last modified

pharmacy point of sale system project pharmacy point of sale system DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy pharmacy-point-of-sale-system || rpm -q pharmacy-point-of-sale-system || pharmacy-point-of-sale-system --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison pharmacy-point-of-sale-system sudo apt install pharmacy-point-of-sale-system=<VERSION_BEFORE_1.0> sudo apt-mark hold pharmacy-point-of-sale-system

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list pharmacy-point-of-sale-system sudo dnf downgrade pharmacy-point-of-sale-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add pharmacy-point-of-sale-system

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-41676?

pharmacy point of sale system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2021-41676 being exploited?

CVE-2021-41676 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-41676 affect?

CVE-2021-41676 affects pharmacy point of sale system. Severity is critical (CVSS 9.8). An SQL Injection vulnerabilty exists in the oretnom23 Pharmacy Point of Sale System 1.0 in the login function in actions.php.

How urgent is CVE-2021-41676?

Priority 63/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2026-26890 LOW 2.7 DOWNGRADE Sourcecodester Pharmacy Point of Sale System v1.0 is vulnerable to SQL Injection in /pharmacy/manage_product.p
CVE-2026-26889 LOW 2.7 DOWNGRADE Sourcecodester Pharmacy Point of Sale System v1.0 is vulnerable to SQL Injection in /pharmacy/manage_category.
CVE-2026-26888 LOW 2.7 DOWNGRADE Sourcecodester Pharmacy Point of Sale System v1.0 is vulnerable to SQL Injection in /pharmacy/manage_stock.php
CVE-2026-26887 LOW 2.7 DOWNGRADE Sourcecodester Pharmacy Point of Sale System v1.0 is vulnerable to SQL Injection in /pharmacy/manage_supplier.
CVE-2026-26708 CRITICAL 9.8 DOWNGRADE sourcecodester Pharmacy Point of Sale System v1.0 is vulnerable to SQL Injection in /pharmacy/manage_user.php.

References

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