Vulnerability Description
Statamic is a Laravel and Git powered content management system (CMS). Prior to 5.73.24 and 6.20.1, form submission values in src/Forms/Exporters/CsvExporter.php were not neutralized for spreadsheet formula characters when exported to CSV. A submission containing a value beginning with a formula trigger character, such as =, +, -, or @, could be interpreted as a live formula when a Control Panel user opens the export in a spreadsheet application. Form submissions can come from unauthenticated front-end visitors, so the malicious value can be supplied by an anonymous user and is later triggered by an editor opening the export. This issue is fixed in versions 5.73.24 and 6.20.1.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/statamic/cms/commit/f17c098e52a92597fc5f81bd287700b3d05f4add
- https://github.com/statamic/cms/pull/14760
- https://github.com/statamic/cms/releases/tag/v5.73.24
- https://github.com/statamic/cms/releases/tag/v6.20.1
- https://github.com/statamic/cms/security/advisories/GHSA-h77m-qrj7-jxcw
FAQ
What is CVE-2026-54243?
CVE-2026-54243 is a vulnerability with a CVSS score of 6.1 (MEDIUM). Statamic is a Laravel and Git powered content management system (CMS). Prior to 5.73.24 and 6.20.1, form submission values in src/Forms/Exporters/CsvExporter.php were not neutralized for spreadsheet f...
How severe is CVE-2026-54243?
CVE-2026-54243 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-54243?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.