MEDIUMCVSS 5.3

CVE-2026-57311

CVE-2026-57311 updated by NVD

Published: 2026-07-20
Modified: 2026-07-29
Sources: euvd, nvd

Summary

Windu CMS does not validate types of uploaded files. An authenticated attacker can upload arbitrary files, including PHP. This can lead to Remote Code Execution. Because vendor contact attempts were unsuccessful, the vulnerability has only been confirmed in version 4.1 but may also affect other versions.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-57311

Includes data from the ENISA EU Vulnerability Database (EUVD).

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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