Threat intelligence

UnderConstructionPage PRO <= 5.76 - Authenticated (Subscriber+) Arbitrary File Read via template_thumbnail Parameter

CVE-2026-11426 · under-construction-page

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Under Construction Page at a vulnerable version. How SiteRespond intelligence works

Vulnerability: UnderConstructionPage PRO <= 5.76 - Authenticated (Subscriber+) Arbitrary File Read via template_thumbnail Parameter
Affected software: under-construction-page(Plugin)
Affected versions: ≤ 5.76
Authentication: Authenticated (see advisory title)
Vulnerability type: Other
CVE: CVE-2026-11426
Published: 10 July 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.
Source: Data imported from Wordfence Intelligence (advisory 29dff562-e9b0-4cc9-b974-9239fbf0310f). Methodology and redistribution notes

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