CVE-2026-13158 — HIGH (7.2)

Vulnerability Description

The Everest Toolkit WordPress plugin through 1.2.3 does not validate the type of files uploaded during demo-content import (the WordPress file-type test is disabled), allowing high-privilege users (Administrator by default, including non-super-admin site administrators on multisite) to upload executable PHP files to the uploads directory.

CVSS Score

7.2

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-434

References

https://wpscan.com/vulnerability/f101071f-402a-40a2-bbdb-666512cd4049/

FAQ

What is CVE-2026-13158?

CVE-2026-13158 is a vulnerability with a CVSS score of 7.2 (HIGH). The Everest Toolkit WordPress plugin through 1.2.3 does not validate the type of files uploaded during demo-content import (the WordPress file-type test is disabled), allowing high-privilege users (Ad...

How severe is CVE-2026-13158?

CVE-2026-13158 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-13158?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.