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WordPress plugins

CVE-2026-111832

WordPress WP Mailster plugin <= 1.9.1.0 - Arbitrary File Upload vulnerability

Severity
Critical 10.0
Published
21 Oct 2026
Last changed
21 Oct 2026
Added to UpHeron
23 Oct 2026
Sources
CVE Program

Affected software

SoftwareAffected versions
WP Mailster (WordPress plugin)WordPress plugins · wp-plugin:wp-mailster
  • Every version up to 1.9.1.0

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-111832