CVE-2018-9109
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2018-9109- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-22
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2018-9109- Updated
- 2026-11-02
EUVDEUVD-2022-2311 No score
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.
- Record
EUVD-2022-2311- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-45x3-mw7q-wf7f
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.
- Record
GHSA-45x3-mw7q-wf7f- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2018-9109- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
OSVGHSA-45x3-mw7q-wf7f
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.
- Record
GHSA-45x3-mw7q-wf7f- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
studio-42/elfinderPackagist |
before 2.1.36 | 2.1.36 |
studio-42/elfinderPackagist |
before 2.1.36, plus listed versions 2.0.32.0.42.0.52.0.62.0.7 Show 38 moreShow less2.0.82.0.92.1.02.1.12.1.102.1.112.1.122.1.132.1.142.1.152.1.162.1.172.1.182.1.192.1.22.1.202.1.212.1.222.1.232.1.242.1.252.1.262.1.272.1.282.1.292.1.32.1.302.1.312.1.322.1.332.1.342.1.352.1.42.1.52.1.62.1.72.1.82.1.9 |
2.1.36 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-9109 is a critical vulnerability (CVSS 9.1) in Std42 Elfinder, published March 28, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.94%, the 87th percentile. Fixed in studio-42/elfinder 2.1.36.
References
github.com/Studio-42/elFinder/commit/157f471d7e48f190f74e66eb5bc73360b5352fd3
nvd.nist.gov/vuln/detail/CVE-2018-9109