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Laravel CVE-2026-21448

CRITICAL
Improper Neutralization of Special Elements Used in a Template Engine (CWE-1336)
2026-01-02 security-advisories@github.com GHSA-5j4h-4f72-qpm6
Laravel RCE Bagisto
9.8
CVSS 3.1 · GitHub Advisory
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Severity by source

GitHub Advisory PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
Patch released
Mar 31, 2026 - 21:13 nvd
Patch available
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Jan 08, 2026 - 21:22 vuln.today
Public exploit code
CVE Published
Jan 02, 2026 - 21:15 nvd
CRITICAL 9.8

DescriptionGitHub Advisory

Bagisto is an open source laravel eCommerce platform. Versions prior to 2.3.10 are vulnerable to server-side template injection. When a normal customer orders any product, in the add address step they can inject a value to run in admin view. The issue can lead to remote code execution. Version 2.3.10 contains a patch.

AnalysisAI

Bagisto eCommerce platform before 2.3.10 is vulnerable to server-side template injection (SSTI) through customer address fields during checkout. A normal customer can inject Blade template code that executes when viewed in the admin panel, achieving RCE. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Access Bagisto checkout flow
Exploit
Enter malicious template syntax in address field
Execution
Inject payload into admin view rendering
Impact
Execute arbitrary code on server
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Vulnerability AssessmentAI

Exploitation Bagisto versions prior to 2.3.10 with the 'add address' step in checkout enabled. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment CVSS 9.8 (Critical). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario A customer places an order with a Blade template injection payload in their shipping address (e.g., {{system('whoami')}}). When the store admin opens the order details, the payload executes on the server, giving the attacker a shell.
Remediation Update to Bagisto 2.3.10. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours: Identify all affected systems and apply vendor patches immediately. …

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CVE-2026-21448 vulnerability details – vuln.today
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