Vulnerability · Published May 3, 2024 · Assigned by zdi

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

High 7.5

In plain English

A high-severity XML external entity in Simple Editor from LG. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 72% of all known vulnerabilities).

Severity (CVSS 3.0)7.5High

Exploit odds (30 days)1.4%top 27.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
LG	Simple Editor	LG Simple Editor 3.21.0

Weakness: CWE-611 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

ZDI-23-1210 x_research-advisory