What’s Vulnerable › Vulnerabilities

CVE-2018-9110

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-03-28 · updated 2026-06-17
• Weakness: CWE-22

Description

Studio 42 elFinder before 2.1.37 has a directory traversal vulnerability in elFinder.class.php with the zipdl() function that can allow a remote attacker to download files accessible by the web server process and delete files owned by the account running the web server process. NOTE: this issue exists because of an incomplete fix for CVE-2018-9109.

Affected products

• Studio-42 elFinder: before 2.1.37 — fixed in 2.1.37

How to fix

Upgrade to a fixed version: Studio-42 elFinder 2.1.37. Check the vendor advisory for mitigations.

References

• https://github.com/Studio-42/elFinder/commit/e6351557b86cc10a7651253d2d2aff7f6b918f8e
• https://github.com/Studio-42/elFinder/releases/tag/2.1.37
• https://github.com/Studio-42/elFinder/wiki/Advisory-about-vulnerability-of-CVE-2018-9109-and-CVE-2018-9110
• https://github.com/Studio-42/elFinder/commit/e6351557b86cc10a7651253d2d2aff7f6b918f8e
• https://github.com/Studio-42/elFinder/releases/tag/2.1.37
• https://github.com/Studio-42/elFinder/wiki/Advisory-about-vulnerability-of-CVE-2018-9109-and-CVE-2018-9110

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