wp-downloadmanager - Unrestricted File Upload via Missing Extension/MIME Validation and Path Traversal (CVE-2026-18933) | HOL Guard CVE

High · CVSS 7.2CVE-2026-18933

wp-downloadmanager - Unrestricted File Upload via Missing Extension/MIME Validation and Path Traversal

Answer in brief

CVE-2026-18933 records a High severity (CVSS 7.2) vulnerability in wp-downloadmanager - Unrestricted File Upload via Missing Extension/MIME Validation and Path Traversal. The current sources do not mark it as known exploited. The current feed maps wp-downloadmanager/wp-downloadmanager (generic), wp-downloadmanager/wp-downloadmanager (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 5, 2026Updated Aug 26, 2026Source checked Sep 20, 2026First seen by HOL Aug 5, 2026Material review Aug 26, 2026

Upstream Advisory

Key facts

Risk: High · CVSS 7.2
Exploitation: Not marked as known exploited
Affected software: 2 mapped packages or products
Fix availability: Available

Why this deserves its current priority

CVSS is 7.2. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps wp-downloadmanager/wp-downloadmanager (generic), wp-downloadmanager/wp-downloadmanager (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
wp-downloadmanager/wp-downloadmanagergeneric	>=0 <1.69	1.69
wp-downloadmanager/wp-downloadmanagergeneric	0	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for wp-downloadmanager/wp-downloadmanager, wp-downloadmanager/wp-downloadmanager.
Review the reported fix. Update wp-downloadmanager/wp-downloadmanager to 1.69 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Aug 26, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 5, 2026

Sources and claim methodology

Source referencewordpress.org

Upstream source description

The wp-downloadmanager WordPress plugin, in version 1.68.11 (also affecting the 6.9.4 release line), allows an admin-privileged user (current_user_can('manage_downloads')) to upload arbitrary files via download-add.php with no extension or MIME-type validation of any kind - no wp_check_filetype_and_ext, no validate_file, and no extension blocklist exist anywhere in the upload handler.

Quoted source text, attributed separately from HOL analysis.