EUVD-2026-68772
GHSA-9hjf-w35w-6vx2
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
CSRF requires victim to visit attacker's page (UI:R); attacker needs no account (PR:N); C:L for server-side connection telemetry leakage, I:L for unauthorized persistent mount.
Primary rating from Vendor (GitHub_M).
CVSS VectorVendor: GitHub_M
Lifecycle Timeline
3DescriptionCVE.org
elFinder is an open-source file manager for web, written in JavaScript using jQuery UI. Prior to 2.1.70, the netmount command is omitted from elFinderConnector::$csrfProtectedCmds in php/elFinderConnector.class.php, so validateCsrfToken() is not called for this state-changing operation. In the shipped php/connector.minimal.php-dist configuration, FTP network mounts are enabled by default, and attacker-controlled protocol, host, path, port, user, pass, alias, and options arguments flow through elFinder::netmount() in php/elFinder.class.php to php/elFinderVolumeFTP.class.php. A cross-site request can therefore persist an attacker-chosen FTP mount in the victim's session, cause the PHP server to connect to an attacker-chosen FTP host and port, and send supplied credentials without an X-elFinder-CSRF token. This issue is fixed in version 2.1.70.
AnalysisAI
CSRF protection is absent for the netmount command in elFinder prior to 2.1.70, allowing a cross-site request from an attacker-controlled page to mount an attacker-chosen FTP server into an authenticated victim's session without a valid X-elFinder-CSRF token. Because the default connector.minimal.php-dist configuration enables FTP mounts and passes fully attacker-controlled parameters - host, port, credentials, path - directly to elFinderVolumeFTP, this also creates a server-side request forgery primitive: the PHP process itself initiates a TCP connection to the attacker-specified host and port. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The victim must have an active authenticated session to an elFinder instance and must visit a page under the attacker's control while that session is live - the standard CSRF precondition. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 5.4 Medium score reflects the CSRF pattern accurately: network-reachable, low complexity, no attacker privileges, but gated on victim interaction and delivering only partial impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade to elFinder 2.1.70 or later, available at https://github.com/Studio-42/elFinder/releases/tag/2.1.70; this release enforces CSRF token validation on the netmount command by adding it to $csrfProtectedCmds, directly eliminating the vulnerability. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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