CVE-2026-88857 PUBLISHED

Joomla Extension - OrdaSoft.com - Authenticated, Privileged Remote Code Execution in OrdaSoft Joomla Gallery extension for Joomla < 6.2.7

Assigner: Joomla
Reserved: 10.09.2026 Published: 20.09.2026 Updated: 20.09.2026

Joomla Extension - OrdaSoft.com - Authenticated, Privileged Remote Code Execution in OrdaSoft Joomla Gallery extension for Joomla < 6.2.7 - The extensions saveWatermark() copied an uploaded file into a web-accessible directory using the client-supplied filename exactly as sent, with no extension check, no content check, and no filename sanitisation of any kind. An authenticated core.manage user could upload a .php file disguised with an image Content-Type header and execute it directly by requesting the resulting path.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CVSS Score: 9.4

Product Status

Vendor OrdaSoft.com
Product OrdaSoft Joomla Gallery free extension for Joomla
Versions Default: unaffected
  • Version 1.0.0-6.2.6 is affected
Vendor OrdaSoft.com
Product OrdaSoft Joomla Gallery extension for Joomla
Versions Default: unaffected
  • Version 1.0.0-6.2.6 is affected

Credits

  • Ala Arfaoui finder

References

Problem Types

  • CWE-434 Unrestricted Upload of File with Dangerous Type CWE