LG Simple Editor deleteFolder Directory Traversal Arbitrary File Deletion Vulnerability
LG Simple Editor deleteFolder 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 deleteFolder 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-19921.
Noroxi analysis
No Noroxi analysis for this record yet
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We use this product, ask for help- Published
- May 2, 2024
- Updated
- Jun 17, 2026
- EPSS
- 83.1% · 100th percentile
- CWE
- CWE-22
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Report tools
Action score
61
This week
Don’t wait for the next maintenance window.
- CVSS
- 36 / 40 · 9.1 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 25 / 30 · 83.1%
CISA SSVC decision
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- 9.1
- CNA · zdi
- 8.2
- 0.9 point gap
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| lg | simple editor | cpe:2.3:a:lg:simple_editor |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- lg simple editor3.21.0
Versions reported by the vendor
Affected version ranges reported by the assigning authority (zdi). Independent of NVD's CPE analysis and usually ahead of it.
LG Simple Editor
- LG Simple Editor 3.21.0affected
Same product
lg: all recordsOther highest-scoring records for the same primary product.
- CVE-2023-40504LG Simple Editor readVideoInfo Command Injection Remote Code Execution Vulnerability66This week
- CVE-2023-40498LG Simple Editor cp Command Directory Traversal Remote Code Execution Vulnerability65This week
- CVE-2023-40502LG Simple Editor cropImage Directory Traversal Arbitrary File Deletion Vulnerability61This week
- CVE-2023-40492LG Simple Editor deleteCheckSession Directory Traversal Arbitrary File Deletion Vulnerability61This week
- CVE-2023-40497LG Simple Editor saveXml Directory Traversal Remote Code Execution Vulnerability60This week
- CVE-2023-40496LG Simple Editor copyStickerContent Directory Traversal Information Disclosure Vulnerability53Plan
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
- CVE-2023-404980 days apartLG Simple Editor cp Command Directory Traversal Remote Code Execution Vulnerability65This week
- CVE-2023-404920 days apartLG Simple Editor deleteCheckSession Directory Traversal Arbitrary File Deletion Vulnerability61This week
- CVE-2023-405020 days apartLG Simple Editor cropImage Directory Traversal Arbitrary File Deletion Vulnerability61This week
- CVE-2023-404970 days apartLG Simple Editor saveXml Directory Traversal Remote Code Execution Vulnerability60This week
- CVE-2023-404950 days apartLG Simple Editor copyTemplateAll Directory Traversal Information Disclosure Vulnerability53Plan
- CVE-2023-404960 days apartLG Simple Editor copyStickerContent Directory Traversal Information Disclosure Vulnerability53Plan
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
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Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
nvd-primary
Root cause
A user-supplied file name is joined with the allowed directory, but the result is never checked to confirm it is still inside that directory.
The bug in code
The whole CWE-22 classA representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.
Vulnerable
const file = path.join(ROOT, req.query.name);res.sendFile(file);Fixed
const file = path.resolve(ROOT, req.query.name);if (!file.startsWith(ROOT + path.sep)) { return res.sendStatus(400);}res.sendFile(file);Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Path TraversalCAPEC-126likelihood: High · Very High
- Using Slashes and URL Encoding Combined to Bypass Validation LogicCAPEC-64likelihood: High · High
- Manipulating Web Input to File System CallsCAPEC-76likelihood: High · Very High
- Using Escaped Slashes in Alternate EncodingCAPEC-78likelihood: High · High
- Using Slashes in Alternate EncodingCAPEC-79likelihood: High · High
ATT&CK techniques
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Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.