CVE WatchJul 25, 2026

CVE-2026-65693

Microweber CMS through 2.0.20 contains a server-side template injection vulnerability that allows authenticated administrators to achieve ar

CVSS

7.2

High

EPSS

0.5%

p39

KEV

—

Exploit Today

0-100

Published: Jul 24, 2026 · Last modified: Jul 25, 2026 · CWE-94

EPSS · 30d

Not enough EPSS history yet.

Technical description

Microweber CMS through 2.0.20 contains a server-side template injection vulnerability that allows authenticated administrators to achieve arbitrary OS command execution by injecting Twig expressions into mail templates. Attackers can exploit the unsandboxed Twig environment in TwigView::render(), which lacks SandboxExtension or a SecurityPolicy, to inject malicious expressions such as filter('system') into mail template bodies stored unsanitized in the database, causing automatic payload execution on each subsequent application event that triggers a mail dispatch.

Official references

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