CVE-2026-18666 — MEDIUM (4.3)

Vulnerability Description

The Library Management System WordPress plugin before 3.6.7 does not sanitize and escape a user-supplied parameter before using it in a SQL statement, allowing users with a role as low as Subscriber to perform SQL injection and extract arbitrary data from the database, including user password hashes.

CVSS Score

4.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-89

References

https://wpscan.com/vulnerability/7a9b3fff-f454-4764-ad60-0b273781f7b4/

FAQ

What is CVE-2026-18666?

CVE-2026-18666 is a vulnerability with a CVSS score of 4.3 (MEDIUM). The Library Management System WordPress plugin before 3.6.7 does not sanitize and escape a user-supplied parameter before using it in a SQL statement, allowing users with a role as low as Subscriber t...

How severe is CVE-2026-18666?

CVE-2026-18666 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-18666?

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