CVE-2026-71435: Statamic Cross-Site Scripting Vulnerability

MODERATE
Advisory Identifier: GHSA-vx89-p3j7-8xqc
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CVSS 6.1
CWE-79
Published
Advisory Summary

CVE-2026-71435 is a MODERATE (CVSS 6.1) cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Statamic libraries in the Packagist ecosystem. The issue involves stored cross-site scripting in automagic form notification email template. Remediation is available by upgrading affected packages to version 5.74.3, 6.24.2.

CVE-2026-71435 at a Glance

CVE Identifier CVE-2026-71435
GHSA Identifier GHSA-vx89-p3j7-8xqc
Severity MODERATE
CVSS v3.1 Base Score 6.1
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Statamic
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 6.1

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction Required (UI:R)
Scope Changed (S:C)
Confidentiality Low (C:L)
Integrity Low (I:L)
Availability None (A:N)

How to Fix CVE-2026-71435

To remediate this vulnerability, upgrade all affected Statamic dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

statamic/cms fixed: 5.74.3 
Upgrade statamic/cms to 5.74.3
statamic/cms fixed: 6.24.2 
Upgrade statamic/cms to 6.24.2
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for statamic/cms

How to Check if You Are Affected

To determine whether your application is affected by CVE-2026-71435, inspect your project dependencies for Statamic:

inspect dependencies for statamic/cms

Analyze the terminal output to locate any version of Statamic in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 5.74.3), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'), where the product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. In Statamic, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

### Impact The default ("automagic") form notification email rendered user-submitted values without escaping, allowing an unauthenticated form submitter to inject HTML into the notification emails sent to the configured recipients ### Patches This has been fixed in 5.74.3 and 6.24.2.

CVE-2026-71435 Affected Statamic Versions

2 component(s)
Fixed Versions:
5.74.36.24.2
Product / Package Ecosystem Affected Versions Fixed Version
statamic/cms
 Packagist
< 5.74.3
5.74.3
statamic/cms
 Packagist
≥ 6.0.0
< 6.24.2
6.24.2

References

GitHub Advisory / Wiki ADVISORY
https://github.com/statamic/cms/security/advisories/GHSA-vx89-p3j7-8xqc
Statamic Source Repository REPOSITORY
https://github.com/statamic/cms/pull/14959
Security Fix Commit FIX COMMIT
https://github.com/statamic/cms/commit/4ad1335e818a67249d0617f0f167a1198fb96a2c
Statamic Source Repository REPOSITORY
https://github.com/statamic/cms
Statamic Release RELEASE
https://github.com/statamic/cms/releases/tag/v5.74.3
Statamic Release RELEASE
https://github.com/statamic/cms/releases/tag/v6.24.2

Frequently Asked Questions

What is CVE-2026-71435?
CVE-2026-71435 is a security vulnerability in Statamic involving Stored Cross-Site Scripting in Automagic Form Notification Email Template under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Statamic versions are affected?
Affected versions include releases prior to 5.74.3, 6.24.2 across affected packages: statamic/cms.
What version fixes CVE-2026-71435?
Upgrading to 5.74.3, 6.24.2 (or the latest patched release for your respective branch) resolves the vulnerability.
Is statamic/cms affected?
Yes, statamic/cms is affected in releases prior to 5.74.3, 6.24.2. Upgrade your dependency to 5.74.3, 6.24.2 or later.
What is the CVSS score of CVE-2026-71435?
CVE-2026-71435 has a CVSS v3.1 base score of 6.1 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
What CWE is associated with CVE-2026-71435?
CVE-2026-71435 is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.).
How can I check Packagist dependencies for CVE-2026-71435?
Run the dependency tree command: 'inspect dependencies for statamic/cms'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-vx89-p3j7-8xqc",
  "modified" : "2026-08-06T19:37:58Z",
  "published" : "2026-08-06T19:37:58Z",
  "aliases" : [ "CVE-2026-71435" ],
  "summary" : "Statamic: Stored Cross-Site Scripting in Automagic Form Notification Email Template",
  "details" : "### Impact\n\nThe default (\"automagic\") form notification email rendered user-submitted values without escaping, allowing an unauthenticated form submitter to inject HTML into the notification emails sent to the configured recipients\n\n### Patches\n\nThis has been fixed in 5.74.3 and 6.24.2.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "statamic/cms"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "5.74.3"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "statamic/cms"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "6.0.0"
      }, {
        "fixed" : "6.24.2"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/statamic/cms/security/advisories/GHSA-vx89-p3j7-8xqc"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/statamic/cms/pull/14959"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/statamic/cms/commit/4ad1335e818a67249d0617f0f167a1198fb96a2c"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/statamic/cms"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/statamic/cms/releases/tag/v5.74.3"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/statamic/cms/releases/tag/v6.24.2"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-08-06T19:37:58Z",
    "nvd_published_at" : null
  }
}