Critical severity · published Aug 27, 2026
CVE-2026-19092
Tutor LMS < 4.0.6 - Unauthenticated Arbitrary Zero-Argument Function Invocation via Template Variable Shadowing
9.8
CVSS
2.6%
EPSS
No
On KEV
Description
The Tutor LMS WordPress plugin before 4.0.6 does not prevent request data from overwriting internal variables while rendering templates, allowing unauthenticated users to invoke arbitrary zero-argument PHP functions and receive their output.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.6% · higher than 85% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TL
Tutor LMS ·
2.1.3 before 4.0.6 · source: vendor
Affected product
TL
Tutor LMS
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