How to Fix CVE-2026-3148: Sql injection in Simple and Nice Shopping Cart Script

By Sai Kiran Pandrala. Last verified: 2026-05-25.

CVE-2026-3148 is a SQL injection in SourceCodester Simple and Nice Shopping Cart Script. The fix is to apply the vendor patch noted below.

What is CVE-2026-3148?

A vulnerability was determined in SourceCodester Simple and Nice Shopping Cart Script 1.0. This impacts an unknown function of the file /signup.php. This manipulation of the argument Username causes sql injection. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. The CVSS base score is 6.9 (Medium). The official advisory is at https://vuldb.com/?id.347654.

Am I affected?

Check the version of Simple and Nice Shopping Cart Script you are running and compare it against the Affected row above (Simple and Nice Shopping Cart Script 1.0). If your build sits inside the affected range, you must patch.

Run the version check that fits your platform:

# Linux package check
dpkg -s simple-and-nice-shopping-cart-script 2>/dev/null | grep -i ^Version
rpm -q simple-and-nice-shopping-cart-script 2>/dev/null
command -v simple-and-nice-shopping-cart-script >/dev/null && simple-and-nice-shopping-cart-script --version 2>/dev/null

# Windows (PowerShell)
Get-Package -Name "*Simple and Nice Shopping Cart Script*" -ErrorAction SilentlyContinue | Select-Object Name, Version
winget list --name "Simple and Nice Shopping Cart Script" 2>$null

How to fix CVE-2026-3148

Upgrade Simple and Nice Shopping Cart Script to a patched build: See vendor advisory. The vendor advisory is the source of truth for the exact fixed version.

Ubuntu / Debian

sudo apt-get update
sudo apt-get install --only-upgrade simple-and-nice-shopping-cart-script
dpkg -s simple-and-nice-shopping-cart-script | grep -i ^Version

RHEL / CentOS / Rocky / AlmaLinux

sudo dnf upgrade --refresh simple-and-nice-shopping-cart-script -y
# or for older releases:
sudo yum update simple-and-nice-shopping-cart-script -y
rpm -q simple-and-nice-shopping-cart-script

SUSE / openSUSE

sudo zypper refresh
sudo zypper update simple-and-nice-shopping-cart-script
rpm -q simple-and-nice-shopping-cart-script

PHP / Composer

composer update sourcecodester/simple-and-nice-shopping-cart-script 2>/dev/null || composer update
composer show | head -20

Complete PowerShell remediation script (Windows)

# Fix script for CVE-2026-3148 affecting Simple and Nice Shopping Cart Script
# Run as administrator. Detect -> backup -> upgrade -> verify -> log.

$ErrorActionPreference = "Stop"
$LogPath  = "C:\Logs\CVE-2026-3148-fix-$(Get-Date -Format yyyyMMdd-HHmmss).log"
New-Item -ItemType Directory -Force (Split-Path $LogPath) | Out-Null
Start-Transcript -Path $LogPath -Append

try {
    Write-Host "[1/4] Detect installed version"
    $pkg = Get-Package -Name "*Simple and Nice Shopping Cart Script*" -ErrorAction SilentlyContinue
    if ($pkg) { $pkg | Format-Table Name, Version }
    else { Write-Host "Not detected via Get-Package; try winget list" }

    Write-Host "[2/4] Backup configuration"
    $backup = "C:\Backup\simple-and-nice-shopping-cart-script-$(Get-Date -Format yyyyMMdd)"
    New-Item -ItemType Directory -Force $backup | Out-Null
    Get-ChildItem "C:\ProgramData\Simple and Nice Shopping Cart Script" -ErrorAction SilentlyContinue |
        Copy-Item -Destination $backup -Recurse -Force -ErrorAction SilentlyContinue

    Write-Host "[3/4] Apply the upgrade to See vendor advisory"
    winget upgrade --name "Simple and Nice Shopping Cart Script" --silent --accept-source-agreements --accept-package-agreements
    if ($LASTEXITCODE -ne 0) {
        # Fallback: pull latest via OS update channel
        Install-Module -Name PSWindowsUpdate -Force -SkipPublisherCheck -ErrorAction SilentlyContinue
        Import-Module PSWindowsUpdate
        Install-WindowsUpdate -MicrosoftUpdate -AcceptAll -IgnoreReboot
    }

    Write-Host "[4/4] Verify the patched build"
    winget list --name "Simple and Nice Shopping Cart Script"
    Write-Host "Patch applied. Reboot if prompted."
    exit 0
} catch {
    Write-Error "Patch failed: $_"
    exit 1
} finally {
    Stop-Transcript
}

Complete Bash remediation script (Linux)

#!/usr/bin/env bash
# Fix script for CVE-2026-3148 affecting Simple and Nice Shopping Cart Script
# Detect -> backup -> upgrade -> verify -> log.

set -euo pipefail
LOG="/var/log/cve-2026-3148-fix-$(date +%Y%m%d-%H%M%S).log"
exec > >(tee -a "$LOG") 2>&1

echo "[1/4] Detect installed version"
if command -v dpkg >/dev/null; then
    dpkg -s simple-and-nice-shopping-cart-script 2>/dev/null | grep -i ^Version || echo "simple-and-nice-shopping-cart-script not installed via dpkg"
elif command -v rpm >/dev/null; then
    rpm -q simple-and-nice-shopping-cart-script || echo "simple-and-nice-shopping-cart-script not installed via rpm"
fi

echo "[2/4] Backup configuration"
BACKUP="/root/backup-cve-2026-3148-$(date +%Y%m%d)"
mkdir -p "$BACKUP"
for d in /etc/simple-and-nice-shopping-cart-script /etc/simple-and-nice-shopping-cart-script.d /etc/simple-and-nice-shopping-cart-script.conf; do
    [ -e "$d" ] && cp -a "$d" "$BACKUP/" || true
done

echo "[3/4] Apply the upgrade (target: See vendor advisory)"
if command -v apt-get >/dev/null; then
    apt-get update
    apt-get install --only-upgrade -y simple-and-nice-shopping-cart-script
elif command -v dnf >/dev/null; then
    dnf upgrade --refresh -y simple-and-nice-shopping-cart-script
elif command -v yum >/dev/null; then
    yum update -y simple-and-nice-shopping-cart-script
elif command -v zypper >/dev/null; then
    zypper --non-interactive update simple-and-nice-shopping-cart-script
fi

echo "[4/4] Verify the patched build"
if command -v dpkg >/dev/null; then
    dpkg -s simple-and-nice-shopping-cart-script 2>/dev/null | grep -i ^Version
elif command -v rpm >/dev/null; then
    rpm -q simple-and-nice-shopping-cart-script
fi
echo "Done. Restart any service that loaded the old library."

If you can't patch immediately

Apply at least one of the following inline controls until you can deploy the patched build. None replace the upgrade.

Restrict exposure with nftables (Linux)

# Allow only trusted CIDR to reach the affected service ports
sudo nft add table inet filter 2>/dev/null || true
sudo nft 'add chain inet filter input { type filter hook input priority 0 ; }' 2>/dev/null || true
sudo nft 'add rule inet filter input tcp dport {80, 443} ip saddr != 10.0.0.0/8 drop'
sudo nft list ruleset

Block at the host firewall (Windows)

New-NetFirewallRule -DisplayName "Block-CVE-2026-3148" -Direction Inbound -Action Block -Protocol TCP -LocalPort 80,443 -RemoteAddress Any -Enabled True
Get-NetFirewallRule -DisplayName "Block-CVE-2026-3148"

Disable the affected service (Linux)

sudo systemctl stop simple-and-nice-shopping-cart-script 2>/dev/null || true
sudo systemctl disable simple-and-nice-shopping-cart-script 2>/dev/null || true

If the vendor advisory lists an official workaround, prefer that wording verbatim. If no workaround is published, the only safe remediation is the patch.

How to verify the fix worked

After upgrading, confirm the installed version matches the patched build and that no old library is still loaded by a long-running process.

# Linux
dpkg -s simple-and-nice-shopping-cart-script 2>/dev/null | grep -i ^Version
rpm -q simple-and-nice-shopping-cart-script 2>/dev/null || true
# Pid map check for old library handles
sudo lsof +c0 2>/dev/null | grep -i "DEL.*lib" || true

# Windows
Get-Package -Name "*Simple and Nice Shopping Cart Script*" | Select-Object Name, Version
Get-HotFix | Sort-Object InstalledOn -Descending | Select-Object -First 5

Expected: the reported version is at or above See vendor advisory. Restart the affected service (systemctl restart <service> on Linux, or restart the Windows service) so it loads the patched binary.

Frequently asked questions

Related fixes

Other vulnerabilities in the same area that are worth patching alongside this one:

• How to Fix CVE-2026-6000: Information disclosure in Online Library Management System — Information disclosure in Online Library Management System
• How to Fix CVE-2026-30460: n/a (Bundle Sibling) — n/a (Bundle Sibling)
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• How to Fix CVE-2026-4163: Wavlink WL-WN579A3 POST Request wireless.cgi GuestWifi command injection , Wavlink WL-WN579A3 POST Request wireless.cgi GuestWifi command injection
• How to Fix CVE-2026-3029: CVE-2026-3029 in PyMuPDF , CVE-2026-3029 in PyMuPDF

Is CVE-2026-3148 actively exploited?

There is no public confirmation of exploitation in the wild listed in CISA KEV at the time of this writing. Patch anyway. Public exploits commonly follow disclosure within weeks.

Do I need to reboot after patching CVE-2026-3148?

For kernel and OS-level updates, yes. For most userland packages a systemctl restart <service> is enough on Linux, and restarting the Windows service or app on Windows. Any process that loaded the old library keeps using it until restarted.

What is the CVSS score for CVE-2026-3148?

6.9 (Medium). Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P.

Where is the official advisory for CVE-2026-3148?

The vendor advisory is at https://vuldb.com/?id.347654. The NVD record is at https://nvd.nist.gov/vuln/detail/CVE-2026-3148.

References

• Official vendor advisory: https://vuldb.com/?id.347654
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-3148
• CISA KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
• Additional reference: https://vuldb.com/?ctiid.347654
• Additional reference: https://vuldb.com/?submit.758822
• Additional reference: https://github.com/xiaoxiaojie12/CVE/issues/1

*Written by Sai Kiran Pandrala. Assembled from the official vendor advisory, NVD record, and CISA KEV listing on 2026-05-25. Always confirm against the vendor's advisory before applying changes in production.*