CVE-2023-35840 — _joinPath in elFinderVolumeLocalFileSystem

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

01What is this vulnerability?

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

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-06-19T00:00:00.000Z
• Last modified: 2024-12-11T20:06:00.931Z

09References

• github.com — https://github.com/Studio-42/elFinder/security/advisories/GHSA-wm5g-p99q-66g4
• github.com — https://github.com/Studio-42/elFinder/commit/bb9aaa7b096a1b83f2f85657c43f12131ec…
• github.com — https://github.com/sectroyer/CVEs/tree/main/CVE-2023-35840
• github.com — https://github.com/afine-com/CVE-2023-35840