CVE-2026-34413 Details.
Xerte Online Toolkits <= 3.15 - Remote Code Execution
Atlas does not check this one. Needs requests that change data.
To test for this one, the check would have to send requests that could change data on the site. Atlas only ever reads public pages, so it does not run this check.
About CVE-2026-34413. What It Means.
Xerte Online Toolkits versions 3.15 and earlier expose the elFinder file manager connector at /editor/elfinder/php/connector.php without authentication (CVE-2026-34413), because the access-control redirect for unauthenticated users does not call exit()/die() and execution continues server-side. This is chained with a relative path traversal in the elFinder rename command (CVE-2026-34414) and an incomplete file-extension blocklist that still permits .php4 (CVE-2026-34415) to…
Affected Product. What Is Hit.
- Vendor
- xerte
- Product
- Xerte Online Toolkits
References. Where To Read More.
- https://www.vulncheck.com/advisories/xerte-online-toolkits-missing-authentication-via-connector-php
- https://github.com/bootstrapbool/xerteonlinetoolkits-rce
- https://github.com/thexerteproject/xerteonlinetoolkits/issues/1527
- https://nvd.nist.gov/vuln/detail/CVE-2026-34413
- https://nvd.nist.gov/vuln/detail/CVE-2026-34414
- https://nvd.nist.gov/vuln/detail/CVE-2026-34415
FAQ
Common Questions.
Xerte Online Toolkits <= 3.15 - Remote Code Execution. Xerte Online Toolkits versions 3.15 and earlier expose the elFinder file manager connector at /editor/elfinder/php/connector.php without authentication (CVE-2026-34413), because the access-control redirect for unauthenticated users does not call exit()/die() and execution continues server-side. This is chained with a relative path traversal in the elFinder rename command (CVE-2026-34414) and an incomplete file-extension blocklist that still permits .php4 (CVE-2026-34415) to…
No. To test for this one, the check would have to send requests that could change data on the site. Atlas only ever reads public pages, so it does not run this check. The facts about CVE-2026-34413 are on this page, and you can request a demo to see how Brandefense watches your whole external attack surface.
CVE-2026-34413 is not on the CISA Known Exploited Vulnerabilities list at the time of writing, but it is still worth fixing.
Update Xerte Online Toolkits to the latest version from the vendor, or follow the vendor's advice to switch off the affected feature. Vendor links are listed on this page when they are known.
This page lists the public facts about CVE-2026-34413. Atlas does not run a check for it, so nothing here says whether a particular site is affected.