CVE-2023-40506 LG Simple Editor copyContent XML External Entity Processing Information Disclosure Vulnerability

High 7.5 Published 3 May 2024 Updated 18 Sep 2024

Remote attackers can exploit an XML External Entity flaw in LG Simple Editor to disclose sensitive system information without authentication.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-40506?

CVE-2023-40506 is a high-severity vulnerability in LG Simple Editor, published on 3 May 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

LG Simple Editor copyContent XML External Entity Processing Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information 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. Due to the improper restriction of XML External Entity (XXE) references, a crafted document specifying a URI causes the XML parser to access the URI and embed the contents back into the XML document for further processing. An attacker can leverage this vulnerability to disclose information in the context of SYSTEM. . Was ZDI-CAN-20005.

Weakness: CWE-611

Which versions are affected by CVE-2023-40506?

It affects 1 product.

Products include Lg Simple Editor.

How do I fix CVE-2023-40506?

No fix has been published for CVE-2023-40506 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-40506 being exploited?

There is no known exploitation of CVE-2023-40506 in the wild and no public exploit code.

Sources

Also known as GHSA-5j2h-5mq2-6hqm.