CVE-2021-23174

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

3.4 Low

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].

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: High
User interaction: Required

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: None

Exploit likelihood

83.9%Up 83.0 points since Jan 29, 2022

What each source reports

CVE List Score used 3.4

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

Record: CVE-2021-23174
CVSS 3.1: 3.4 LowCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2021-10284 3.4

Record: EUVD-2021-10284
CVSS 3.1: 3.4 LowCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-2523-v9j2-g44c 4.8

Authenticated (admin+) Persistent Cross-Site Scripting (XSS) vulnerability discovered in Download...

Record: GHSA-2523-v9j2-g44c
CVSS 3.1: 4.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

NVD 3.4

Record: CVE-2021-23174
CVSS 3.1: 3.4 LowCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:N
CVSS 3.1: 4.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0: 3.5 LowAV:N/AC:M/Au:S/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-23174 is a low vulnerability (CVSS 3.4) in Wp Chill Download Monitor, published January 28, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 83.9%, the 99th percentile. No source names a fixed version.