Threat intelligence

Passster – Password Protect Pages and Content < 4.3.9 - Missing Authorization

CVE-2026-17559 · content-protector

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

Vulnerability: Passster – Password Protect Pages and Content < 4.3.9 - Missing Authorization
Affected software: content-protector(Plugin)
Affected versions: < 4.3.9
Authentication: Not specified in feed title — see source advisory
Vulnerability type: Other
CVE: CVE-2026-17559
Published: 24 August 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 8b51556f-5a42-4061-80d8-bd37a6405a7a). Methodology and redistribution notes

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