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Laravel CVE-2026-21449

HIGH
Improper Neutralization of Special Elements Used in a Template Engine (CWE-1336)
2026-01-02 security-advisories@github.com GHSA-mqhg-v22x-pqj8
Laravel Bagisto
8.8
CVSS 3.1 · GitHub Advisory
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Severity by source

GitHub Advisory PRIMARY
8.8 HIGH
AV:N/AC:L/PR:L/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:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
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 - 21:21 vuln.today
Public exploit code
CVE Published
Jan 02, 2026 - 21:16 nvd
HIGH 8.8

DescriptionGitHub Advisory

Bagisto is an open source laravel eCommerce platform. Versions prior to 2.3.10 are vulnerable to server-side template injection via first name and last name from a low-privilege user. Version 2.3.10 fixes the issue.

AnalysisAI

Bagisto eCommerce platform versions before 2.3.10 suffer from server-side template injection through user-controllable first and last name fields, allowing low-privilege authenticated users to achieve remote code execution. This high-severity vulnerability (CVSS 8.8) affects confidentiality, integrity, and availability with public exploit code available and no patch currently deployed. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Authenticate as low-privilege user
Exploit
Submit malicious template syntax in first/last name fields
Execution
Server executes injected template code
Impact
Achieve remote code execution
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Vulnerability AssessmentAI

Exploitation Bagisto versions prior to 2.3.10 with user account (any privilege level) capable of modifying profile first name or last name fields. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment CVSS 8.8 (HIGH). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker could exploit this vulnerability to compromise the affected system.
Remediation Monitor vendor advisories for a patch. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 7 days: Identify all affected systems and apply vendor patches promptly. …

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CVE-2026-21449 vulnerability details – vuln.today
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