CVE-2026-107887 — MEDIUM (5.4)

Vulnerability Description

The Advanced Twenty Seventeen WordPress plugin through 1.3.1 does not perform any capability or nonce check on the action that creates and activates its bundled child , allowing any authenticated user such as a subscriber to switch the site's active site-wide, and allowing the same action to be triggered against any logged-in user including an administrator via CSRF.

CVSS Score

5.4

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

LOW

Related Weaknesses (CWE)

CWE-862

References

https://wpscan.com/vulnerability/e252c7ee-368d-4bfb-a964-06804747c162/

FAQ

What is CVE-2026-107887?

CVE-2026-107887 is a vulnerability with a CVSS score of 5.4 (MEDIUM). The Advanced Twenty Seventeen WordPress plugin through 1.3.1 does not perform any capability or nonce check on the action that creates and activates its bundled child , allowing any authenticated user...

How severe is CVE-2026-107887?

CVE-2026-107887 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-107887?

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