CVE-2021-24378: The Autoptimize WordPress plugin before 2.7.8 does not check for malicious files such as .html in the archive uploaded via the 'Import Settings' feature. As a result, it is possible for a high privile

medium Affects autoptimize (WordPress plugin). Feed 2026.10.29.4, updated 2026-10-29; published 2021-06-21; advisory modified 2026-06-17.

The Autoptimize WordPress plugin before 2.7.8 does not check for malicious files such as .html in the archive uploaded via the 'Import Settings' feature. As a result, it is possible for a high privile

Package: autoptimize (WordPress plugin) WordPress
Affected versions: <2.7.8
Fixed in: 2.7.8
Severity: medium CVSS 4.8
Exploitation: not on CISA KEV · EPSS 1% (49.5th percentile)
Published: 2021-06-21
Source: nvd

References

CWE-79

NVD record autoptimize (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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