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Laravel CVE-2026-28426

HIGH
Cross-site Scripting (XSS) (CWE-79)
2026-02-27 security-advisories@github.com GHSA-5vrj-wf7v-5wr7
8.7
CVSS 3.1 · GitHub Advisory
View

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Authenticate as user with SVG/icon permissions
  2. Delivery
    Inject malicious JavaScript in SVG/icon component
  3. Exploit
    Crafted payload stored in database
  4. Execution
    Higher-privileged user views SVG/icon
  5. Impact
    JavaScript executes in user's browser context

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Authenticated user account with permissions to create/edit SVG and icon components in Statmatic CMS versions prior to 5.73.11 or 6.4.0. Victim must be higher-privileged user viewing the injected SVG/icon content.

Impact

CVSS 8.7 (HIGH). Attack vector: Network. Complexity: Low. Privileges required: Low. User interaction: Required. Exploitation requires authentication.

Exploit ScenarioDerived

An attacker (requires authentication) could exploit this vulnerability to compromise the affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
Patch available 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

Statmatic is a Laravel and Git powered content management system (CMS). [CVSS 8.7 HIGH]

RemediationAI

A vendor patch is available — apply it immediately. Fixed in version 5.73.11. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.

Affected Packages

composer statamic/cms fix: 5.73.11, 6.4.0

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in composer

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Classified as CWE-79 (Cross-site Scripting (XSS)). Affects the svg and icon related component of Statamic. Statmatic is a Laravel and Git powered content management system (CMS). Prior to versions 5.73.11 and 6.4.0, stored XSS vulnerability in svg and icon related components allow authenticated users with appropriate permissions to inject malicious JavaScript that executes when viewed by higher-privileged users. This has been fixed in 5.73.11 and 6.4.0.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

GitHub Advisory PRIMARY 8.7 HIGH
AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

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

CVSS VectorGitHub Advisory

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None

Lifecycle Timeline

2
Patch released
Mar 05, 2026 - 14:32 nvd
Patch available
CVE Published
Feb 27, 2026 - 23:16 nvd
HIGH 8.7

DescriptionGitHub Advisory

Statmatic is a Laravel and Git powered content management system (CMS). Prior to versions 5.73.11 and 6.4.0, stored XSS vulnerability in svg and icon related components allow authenticated users with appropriate permissions to inject malicious JavaScript that executes when viewed by higher-privileged users. This has been fixed in 5.73.11 and 6.4.0.

Executive ViewAI

Why It Matters

A high-severity vulnerability (CVSS 8.7) exists in Statmatic CMS that could allow attackers to compromise systems running this platform. Any organization using Statmatic for content management should prioritize immediate patching to prevent potential unauthorized access, data theft, or system manipulation.

Business Impact: High
Compensating Controls

Apply vendor patch.

Threat Intelligence Overview

EPSS Score
0.0%
Top 93% exploitable
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.0%
Patch available Yes
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact
High

Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +44
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.

Affected Products (CPE)GitHub Advisory

cpe:2.3:a:statamic:statamic:*:*:*:*:*:*:*:*
cpe:2.3:a:statamic:statamic:*:*:*:*:*:*:*:*
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