What’s Vulnerable › Vulnerabilities

CVE-2023-40511: LG Simple Editor checkServer Authentication Bypass Vulnerability

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% 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-200

Description

LG Simple Editor checkServer Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of LG Simple Editor. Authentication is not required to exploit this vulnerability. The specific flaw exists within the checkServer method. The issue results from the exposure of plaintext credentials. An attacker can leverage this vulnerability to bypass authentication on the system. . Was ZDI-CAN-20013.

Affected products

• LG Simple Editor: 3.21.0

References

• https://www.zerodayinitiative.com/advisories/ZDI-23-1215/
• https://www.zerodayinitiative.com/advisories/ZDI-23-1215/

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