CVE-2023-35840: _joinPath in elFinderVolumeLocalFileSystem.class.php in elFinder before 2.1.62 allows path traversal in the PH

Q: How do I fix CVE-2023-35840?

elfinder: upgrade to 2.1.62. Exact commands for each OS are on this page.

Q: Is CVE-2023-35840 being exploited?

CVE-2023-35840 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-35840 affect?

CVE-2023-35840 affects elfinder. Severity is medium (CVSS 6.5). _joinPath in elFinderVolumeLocalFileSystem.class.php in elFinder before 2.1.62 allows path traversal in the PHP LocalVolumeDriver connector.

Q: How urgent is CVE-2023-35840?

Priority 48/100. Public exploit reference

This month

MEDIUM 6.5UPGRADE

CVE-2023-35840 is a medium-severity flaw (CVSS 6.5) affecting elfinder. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

_joinPath in elFinderVolumeLocalFileSystem.class.php in elFinder before 2.1.62 allows path traversal in the PHP LocalVolumeDriver connector.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.9% (top 20%)
CISA exploited list	No
Weakness	CWE-22
Published	2023-06-19
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: std42

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-06-19 01:15 UTCPublished CVE record published
2026-06-17 06:05 UTCUpdated Record last modified

std42 elfinder UPGRADE

Affected: < 2.1.62

Fixed in: 2.1.62

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy elfinder || rpm -q elfinder || elfinder --version

2. UPGRADE to 2.1.62 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade elfinder

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade elfinder

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-35840?

elfinder: upgrade to 2.1.62. Exact commands for each OS are on this page.

Is CVE-2023-35840 being exploited?

CVE-2023-35840 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-35840 affect?

CVE-2023-35840 affects elfinder. Severity is medium (CVSS 6.5). _joinPath in elFinderVolumeLocalFileSystem.class.php in elFinder before 2.1.62 allows path traversal in the PHP LocalVolumeDriver connector.

How urgent is CVE-2023-35840?

Priority 48/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

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CVE-2022-27115 CRITICAL 9.8 DOWNGRADE In Studio-42 elFinder 2.1.60, there is a vulnerability that causes remote code execution through file name byp

References

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