What is CVE-2021-23174?

CVE-2021-23174 is a low-severity vulnerability in Wpchill Download Monitor, classified under Cross-site Scripting. CVSS score: 3.4/10. Published 2022-01-28.

How severe is CVE-2021-23174?

Low severity. CVSS v3 base score is 3.4 out of 10.

Is CVE-2021-23174 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Wpchill Download Monitor

CVE-2021-23174

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].

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-01-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.4 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.839 (99.7th percentile), scored 2026-10-17.

High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.839 · newest: 0.839 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

patchstack.com/database/vulnerability/download-monitor/wordpress-download-monit… (vdb-entry)

Frequently asked questions

What is CVE-2021-23174?: CVE-2021-23174 is a low-severity vulnerability in Wpchill Download Monitor, classified under Cross-site Scripting. CVSS score: 3.4/10. Published 2022-01-28.
How severe is CVE-2021-23174?: Low severity. CVSS v3 base score is 3.4 out of 10.
Is CVE-2021-23174 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.