CVE-2026-12089

CVE-2026-12089

The LWS Optimize – All-in-One Speed Booster & Cache Tools plugin for WordPress is vulnerable to Arbitrary File Read in versions up to, and including, 3.3.19. This is due to the combine_current_css() function trusting <link rel="stylesheet…

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-12089?
CVE-2026-12089 is a medium-severity vulnerability, classified under Path Traversal. CVSS score: 4.9/10. Published 2026-06-13.
How severe is CVE-2026-12089?
Medium severity. CVSS v3 base score is 4.9 out of 10.