Read the docs
TI-2023-21323 Aliases CVE-2023-40507GHSA-9v77-4qpm-w3gc

XML external entity injection in LG Simple Editor

Priority MEDIUM 42CWE-611Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-611 and the CVSS impact.

Summary

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-20006.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01386 72nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
LGSimple EditorLG Simple Editor 3.21.0—No fix listedCNA
  • Simple Editor VendorLG Affected LG Simple Editor 3.21.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:lg:simple_editor:3.21.0:*:*:*:*:*:*:*3.21.0VulnerableLG
  • cpe:2.3:a:lg:simple_editor:3.21.0:*:*:*:*:*:*:* Versions 3.21.0 Vulnerable ·LG

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-40507
  2. 2026-10-03 Alias added: GHSA-9v77-4qpm-w3gc

References

Advisory 1

  • TI-2023-21320 OS command injection in LG Simple Editor CVSS 3.1CRITICAL 9.8
  • TI-2023-21314 Path traversal in LG Simple Editor CVSS 3.1CRITICAL 9.8
  • TI-2023-21318 Path traversal in LG Simple Editor CVSS 3.1CRITICAL 9.1
  • TI-2023-21310 Path traversal in LG Simple Editor CVSS 3.1CRITICAL 9.1
  • TI-2023-21308 Path traversal in LG Simple Editor CVSS 3.1CRITICAL 9.1
  • TI-2023-21313 Path traversal in LG Simple Editor CVSS 3.1CRITICAL 9.8
See all 24 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences