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CVE-2023-40500: LG Simple Editor copyContent Exposed Dangerous Function Remote Code Execution Vulnerability

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-03 · updated 2026-06-17
• Weakness: CWE-749

Description

LG Simple Editor copyContent Exposed Dangerous Function Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of LG Simple Editor. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of the copyContent command. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. . Was ZDI-CAN-19944.

Affected products

• LG Simple Editor: 3.21.0

References

• https://www.zerodayinitiative.com/advisories/ZDI-23-1206/
• https://www.zerodayinitiative.com/advisories/ZDI-23-1206/

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