CVE-2024-11018: Grand Vice info Webopac - Arbitrary File Upload

Severity: critical (CVSS 9.8 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: 2024-11-11 · updated 2026-06-17
Weakness: CWE-434

Description

Webopac from Grand Vice info does not properly validate uploaded file types, allowing unauthenticated remote attackers to upload and execute webshells, which could lead to arbitrary code execution on the server.

Affected products

Grand Vice info Webopac: from 6 before 6.5.1; from 7 before 7.2.3 — fixed in 6.5.1, 7.2.3

How to fix

Upgrade to a fixed version: Grand Vice info Webopac 6.5.1, 7.2.3. Check the vendor advisory for mitigations.

References

https://www.twcert.org.tw/en/cp-139-8214-64fa2-2.html
https://www.twcert.org.tw/tw/cp-132-8213-3413b-1.html

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