Remote code execution in Xerte Online Toolkits via language pack import
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-434.
Summary
Xerte Online Toolkits through 3.15.5 contains a remote code execution flaw caused by unrestricted upload of files with dangerous types (CWE-434). An authenticated user with system permission can import a crafted language pack that runs PHP code on the server.
Written with Claude Haiku 5.5 from the sources below · 2026-11-02
Description from the CNA
Xerte Online Toolkits through 3.15.5 contains a remote code execution vulnerability that allows authenticated users with system permission to run PHP by importing a crafted language pack. Attackers can upload a ZIP via import_language.php containing a .inc file, then request it through the language parameter to execute code on the server.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| thexerteproject | xerteonlinetoolkits | up to 3.15.5 | — | No fix listed | CNA |
- xerteonlinetoolkits Vendorthexerteproject Affected up to 3.15.5 Fixed in — No fix listed CNA
Remediation
The sources list no fixed version for Xerte Online Toolkits.
Written with Claude Haiku 5.5 from the sources below · 2026-11-02
Timeline
- 2026-10-28 Threatist record created from CVE-2026-117607
- 2026-10-28 Alias added: GHSA-w4qr-gppq-v53c
- 2026-10-28 Priority changed: MEDIUM → LOW
- 2026-11-02 CISA SSVC decision points changed
- 2026-11-02 Priority changed: LOW → HIGH
References
Other 4
- https://github.com/thexerteproject/xerteonlinetoolkits/issues/1557
- https://github.com/thexerteproject/xerteonlinetoolkits/blob/c381d8cbdff6b59bb52bf158cd30cf2c425cb24b/functions.php#L419
- https://github.com/thexerteproject/xerteonlinetoolkits/blob/c381d8cbdff6b59bb52bf158cd30cf2c425cb24b/website_code/php/language/import_language.php#L211
- https://github.com/thexerteproject/xerteonlinetoolkits
More thexerteproject vulnerabilities
- TI-2026-26695 Xerte Online Toolkits Path Traversal via connector.php CVSS 4.0HIGH 7.1
- TI-2026-26694 Xerte Online Toolkits Missing Authentication via connector.php CVSS 4.0HIGH 8.8
- TI-2026-26696 Xerte Online Toolkits File Upload RCE via elfinder Connector CVSS 4.0CRITICAL 9.3
- TI-2026-30048 Xerte Online Toolkits Path Disclosure via /setup CVSS 4.0MEDIUM 6.9
Sources
- CVE-2026-117607 · CVE Program
- CVE-2026-117607 · NVD
- FIRST EPSS
- GHSA-w4qr-gppq-v53c · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences