Path Traversal in Webfactory Under Construction Page (Pro)

CVE-2026-11426

The UnderConstructionPage PRO plugin for WordPress is vulnerable to Arbitrary File Read in all versions up to, and including, 5.76. This is due to the plugin accepting arbitrary local file paths in the template_thumbnail parameter and copy…

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-11426?
CVE-2026-11426 is a medium-severity vulnerability in Webfactory Under Construction Page (Pro), classified under Path Traversal. CVSS score: 6.5/10. Published 2026-07-11.
How severe is CVE-2026-11426?
Medium severity. CVSS v3 base score is 6.5 out of 10.