Threat intelligence

Newsletters <= 4.17 - Missing Authorization to Authenticated (Author+) Arbitrary Modification via 'newsletters_mailinglistsroles' POST Parameter

CVE-2026-75908 · 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 <= 4.17 - Missing Authorization to Authenticated (Author+) Arbitrary Modification via 'newsletters_mailinglistsroles' POST Parameter
Affected software: newsletters-lite(Plugin)
Affected versions: ≤ 4.17
Authentication: Authenticated (see advisory title)
Vulnerability type: Other
CVE: CVE-2026-75908
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 1d3eddce-1b41-4a33-8d57-bd594cf06a06). Methodology and redistribution notes

Check whether your installed version is affected

SiteRespond Defence matches your installed Newsletters Lite version against this catalog when the Defence plugin is connected to your WordPress site.

Start SiteRespond Defence for WordPress — £29.99/monthScan your website

All Newsletters Lite advisoriesBack to catalog