Which products and versions are affected by CVE-2021-23174?

Affected: Download Monitor (Wpchill) versions >= n/a. The full list is in the CVE brief.

Is CVE-2021-23174 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2021-23174 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2021-23174?

No public exploit code is known.

Is there a fix for CVE-2021-23174?

Fixed versions are available, including Download Monitor 4.4.7.

How urgently should CVE-2021-23174 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2021-23174

Medium

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].

Published Jan 28, 2022 · Updated Apr 28, 2026 · Also known as 748d01ca-9dd5-4d03-88e7-e80932744fdc

Key Facts

Patch immediately

CVE-2021-23174 is a medium-severity vulnerability (CVSS 4.8 v3.1) affecting Download Monitor (Wpchill).
It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
EPSS estimates a 84% probability of exploitation in the next 30 days.
Fixed versions are available, including Download Monitor 4.4.7.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

4.8

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS (30-day exploit likelihood)

84%

Higher than 99.6% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

Get the full CVE-2021-23174 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Affected Products

3 affected entries in total

Product	Affected versions	Fixed in
Download MonitorWpchill	>= n/a	4.4.7

Patched Releases

Download Monitor

4.4.7

Timeline

Publicly disclosed
Jan 28, 2022
Last updated
Apr 28, 2026

Weakness Type

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References

FAQ

Common Questions.

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: Download Monitor (Wpchill) versions >= n/a. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Download Monitor 4.4.7.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

Is CVE-2021-23174 Running On Your Attack Surface?

Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.