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CVE-2026-34415

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CVE-2026-34415

Published: Apr 22, 2026

Modified: May 25, 2026

PUBLISHED

CVSS v3.1

9.8

CRITICAL

Description

Xerte Online Toolkits versions 3.15 and earlier contain an incomplete input validation vulnerability in the elFinder connector endpoint that fails to block PHP-executable extensions .php4 due to an incorrect regex pattern. Unauthenticated attackers can exploit this flaw combined with authentication bypass and path traversal vulnerabilities to upload malicious PHP code, rename it with a .php4 extension, and execute arbitrary operating system commands on the server.

VendorProductVersions

thexerteproject

xerteonlinetoolkits

affected
0 - <= 3.15.0

Weaknesses (CWE)

CWE-184

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

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