CVE-2021-23174: WordPress Download Monitor plugin <= 4.4.6 - Auth. Stored Cross-Site Scripting (XSS) vulnerability

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 83.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-01-28 · updated 2026-06-17
Weakness: CWE-79

Description

Authenticated (admin+) Persistent Cross-Site Scripting (XSS) vulnerability discovered in Download Monitor WordPress plugin (versions <= 4.4.6) Vulnerable parameters: &post_title, &downloadable_file_version[0].

Affected products

wpchill Download Monitor: before 4.4.7 — fixed in 4.4.7

How to fix

Upgrade to a fixed version: wpchill Download Monitor 4.4.7. Check the vendor advisory for mitigations.

References

https://patchstack.com/database/vulnerability/download-monitor/wordpress-download-monitor-plugin-4-4-6-authenticated-persistent-cross-site-scripting-xss-vulnerability?_s_id=cve
https://patchstack.com/database/vulnerability/download-monitor/wordpress-download-monitor-plugin-4-4-6-authenticated-persistent-cross-site-scripting-xss-vulnerability?_s_id=cve

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