CVE-2021-36920: Authenticated Reflected Cross-Site Scripting (XSS) vulnerability discovered in WordPress plugin Download Monitor (versions <= 4.4.6).

medium Affects download-monitor (WordPress plugin). Feed 2026.10.29.4, updated 2026-10-29; published 2022-01-14; advisory modified 2026-06-17.

Authenticated Reflected Cross-Site Scripting (XSS) vulnerability discovered in WordPress plugin Download Monitor (versions <= 4.4.6).

Package: download-monitor (WordPress plugin) WordPress
Affected versions: <=4.4.6
Fixed in: no fix recorded
Severity: medium CVSS 4.8
Exploitation: not on CISA KEV · EPSS 1% (47.3th percentile)
Published: 2022-01-14
Source: nvd

References

CWE-79

NVD record download-monitor (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.

Install docs How findings are ranked

Related advisories

CVE-2021-23174 low Authenticated (admin+) Persistent Cross-Site Scripting (XSS) vulnerability discovered in D same package: download-monitor (WordPress plugin)
CVE-2021-24786 high The Download Monitor WordPress plugin before 4.4.5 does not properly validate and escape t same package: download-monitor (WordPress plugin)
CVE-2012-4768 medium Cross-site scripting (XSS) vulnerability in the Download Monitor plugin before 3.3.5.9 for same package: download-monitor (WordPress plugin)
CVE-2013-3262 medium Cross-site scripting (XSS) vulnerability in admin/admin.php in the Download Monitor plugin same package: download-monitor (WordPress plugin)
CVE-2013-5098 medium Cross-site scripting (XSS) vulnerability in admin/admin.php in the Download Monitor plugin same package: download-monitor (WordPress plugin)
CVE-2021-31567 medium Authenticated (admin+) Arbitrary File Download vulnerability discovered in Download Monito same package: download-monitor (WordPress plugin)