CVE-2021-23174

Low

Published: 28 January 2022

Published

28 January 2022

Modified

21 November 2024

KEV Added

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Patch

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CVSS Score v3.1 3.4 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:N

EPSS Score 0.0042 62.2th percentile

Risk Priority 7 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-23174 is a low-severity Cross-site Scripting (CWE-79) vulnerability in Wpchill Download Monitor. Its CVSS base score is 3.4 (Low).

Operationally, ranked in the top 37.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2021-10284

Vulnerability details

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].

CWE(s): CWE-79

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

wpchill

download monitor

≤ 4.4.7

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

CA-8 Penetration Testing

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

SI-10 Information Input Validation

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

SI-15 Information Output Filtering

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.