CVE-2026-103528

CVE-2026-103528

Published Oct 12, 2026 CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Description
Thelia 2.6.0 uses Smarty for email templates without properly restricting access to dangerous PHP functions. An authenticated administrator can inject malicious Smarty expressions into email templates via the messages configuration interface, and when the template is previewed or rendered, functions such as system(), exec(), file_put_contents(), and file_get_contents() can be executed with the privileges of the web process. This allows arbitrary OS command execution, file read/write operations, and RCE on the underlying server.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
References
History
Type Values Removed Values Added
Weaknesses CWE-1336
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Thelia
Thelia thelia
Vendors & Products Thelia
Thelia thelia
Type Values Removed Values Added
Weaknesses CWE-78
CWE-95
Type Values Removed Values Added
Description Thelia 2.6.0 uses Smarty for email templates without properly restricting access to dangerous PHP functions. An authenticated administrator can inject malicious Smarty expressions into email templates via the messages configuration interface, and when the template is previewed or rendered, functions such as system(), exec(), file_put_contents(), and file_get_contents() can be executed with the privileges of the web process. This allows arbitrary OS command execution, file read/write operations, and RCE on the underlying server.
Title CVE-2026-103528
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
certcc
Published
Updated
Oct 15, 2026, 5:00 PM
Reserved
Sep 30, 2026, 7:06 PM
Status
Deferred
Published
Oct 12, 2026, 3:17 PM
Modified
Oct 15, 2026, 5:17 PM