CVE-2024-9981: FormosaSoft ee-class - Local File Inclusion

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-10-15 · updated 2026-06-17
Weakness: CWE-98

Description

The ee-class from FormosaSoft does not properly validate a specific page parameter, allowing remote attackers with regular privileges to upload a malicious PHP file first and then exploit this vulnerability to include the file, resulting in arbitrary code execution on the server.

Affected products

FormosaSoft ee-class: before 2024-03-26 — fixed in 2024-03-26

How to fix

Upgrade to a fixed version: FormosaSoft ee-class 2024-03-26. Check the vendor advisory for mitigations.

References

https://www.twcert.org.tw/en/cp-139-8145-15bea-2.html
https://www.twcert.org.tw/tw/cp-132-8144-2885b-1.html

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