CVE-2025-8889: The Compress & Upload WordPress plugin before 1.0.5 does not properly validate uploaded files, allowing high privilege users such as admin to upload arbitrary files on the server even when they should

low Affects compress-\&-upload (WordPress plugin). Feed 2026.10.29.3, updated 2026-10-29; published 2025-09-09; advisory modified 2026-07-10.

The Compress & Upload WordPress plugin before 1.0.5 does not properly validate uploaded files, allowing high privilege users such as admin to upload arbitrary files on the server even when they should

Package: compress-\&-upload (WordPress plugin) WordPress
Affected versions: <1.0.5
Fixed in: 1.0.5
Severity: low CVSS 3.8
Exploitation: not on CISA KEV · EPSS 0% (21.2th percentile)
Published: 2025-09-09
Source: nvd

References

https://wpscan.com/vulnerability/5d84a577-62aa-4aa2-ac39-b146eae65243/

CWE-434

NVD record compress-\&-upload (WordPress plugin) advisories

Am I affected?

Find out in one command. phpwarden checks your WordPress install against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden wordpress /var/www/html

# or, without Composer
pipx install phpwarden   &&   phpwarden wordpress /var/www/html

Or keep it checked automatically with the GitHub Action or a nightly cron; see WordPress docs.

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