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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2023-40492

LG Simple Editor deleteCheckSession Directory Traversal Arbitrary File Deletion Vulnerability.

CRITICAL 9.1EPSS 83.1%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 83.1%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.

Description

LG Simple Editor deleteCheckSession Directory Traversal Arbitrary File Deletion Vulnerability. This vulnerability allows remote attackers to delete arbitrary files on affected installations of LG Simple Editor. Authentication is not required to exploit this vulnerability. The specific flaw exists within the deleteCheckSession method. 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 delete files in the context of SYSTEM. . Was ZDI-CAN-19919.

CVSS 3.1
9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
EPSS
83.14% probability · 100th percentile
CISA KEV
Not listed
Weakness
CWE-22
Affected
lg/simple editor
Source
zdi-disclosures@trendmicro.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.