Critical
WordPress WP Mailster plugin <= 1.9.1.0 - Arbitrary File Upload vulnerability
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.
Announced Group revision 1
Original source ↗CVE-2026-111832
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-111832
WP Mailster
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "WP Mailster",
"product": "WP Mailster",
"versions": [
{
"status": "affected",
"changes": [
{
"at": "1.9.2.0",
"status": "unaffected"
}
],
"version": "0",
"versionType": "custom",
"lessThanOrEqual": "1.9.1.0"
}
],
"packageName": "wp-mailster",
"collectionURL": "https://wordpress.org/plugins",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-111832
Source reference:
/cveMetadata/cveId
Publisher severity
critical
Source reference: /containers/cna/metrics
- Event
- #49305 · Revision 1
- Added to Heist Feed
- Publisher date