CVE-2023-40492
LG Simple Editor deleteCheckSession Directory Traversal Arbitrary File Deletion Vulnerability.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 82.0%, 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
- 81.95% probability · 100th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- lg/simple editor
- Source
- zdi-disclosures@trendmicro.com
EPSS moved from 82.0% on 25 October 2026 to 82.0% on 3 November 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- https://www.zerodayinitiative.com/advisories/ZDI-23-1198/Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-23-1198/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.