Threat intelligence

Newsletters <= 4.15 - Unauthenticated PHP Object Injection

CVE-2026-16267 · newsletters-lite

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

Vulnerability: Newsletters <= 4.15 - Unauthenticated PHP Object Injection
Affected software: newsletters-lite(Plugin)
Affected versions: ≤ 4.15
Authentication: Unauthenticated
Vulnerability type: Other
CVE: CVE-2026-16267
Published: 3 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 c3078d39-9d49-48be-aeeb-08775f220612). Methodology and redistribution notes

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