All vulnerabilities
CVE-2026-111832

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

WP Mailster WP Mailster
Open in ThreatlineRecord JSON
CVSS
10.0Critical
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.40%Chance of exploitation activity in the next 30 days, higher than 33% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version yet
Published21 Oct 2026Updated 21 Oct 2026CVE List

What fixes it

No source in this snapshot names a fixed version.

Description

Unrestricted Upload of File with Dangerous Type vulnerability in WP Mailster WP Mailster wp-mailster allows Upload a Web Shell to a Web Server.This issue affects WP Mailster: from n/a through 1.9.1.0.

Text from CVE List

Affected versions 1

  • WP Mailsteraffected: all versions through 1.9.1.0CVE List

References 1