🛡️ CVE-2018-9109 — elfinder
Description
elFinder Path Traversal vulnerability
Studio 42 elFinder before 2.1.36 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.
How this vulnerability can be exploited
This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability none.
Weakness class
CVE-2018-9109 is classified as CWE-22: Path Traversal. A file path built from user input is not confined to the intended directory, letting an attacker reach files elsewhere on the filesystem.
Affected software
CVE-2018-9109 is recorded against 1 package.
- studio-42/elfinder (fixed in 2.1.36)
Timeline and source
Published on 13 May 2022 and last revised on 16 February 2024. No public exploit is currently recorded for this entry. Record sourced from OSV.
References
nvd.nist.gov (Advisory)
github.com (Web)
github.com (Package)
github.com (Web)
github.com (Web)
Details
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| studio-42/elfinder | — | 2.1.36 |
References
Similar Threats
- High CVE-2026-44521
- Critical CVE-2026-41247
- Critical CVE-2024-38909
- High GHSA-3p2q-mh7q-9pxj
- High CVE-2023-35840
More CVE 2018 advisories
Browse all of CVE 2018 in the advisory index.
Exploit Protection
Are you running elfinder?
CVE-2018-9109 carries CVSS 9.5 Critical rating. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.
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