Cyber Resilience

CVE-2021-42546

Medium

Published: 13 December 2021

Published
13 December 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 4.7 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
EPSS Score 0.0085 75.3th percentile
Risk Priority 10 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-42546 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Wpcloudplugins Use-Your-Drive. Its CVSS base score is 4.7 (Medium).

Operationally, ranked in the top 24.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Insufficient Input Validation in the search functionality of Wordpress plugin Use-Your-Drive prior to 1.18.3 allows unauthenticated user to craft a reflected Cross-Site Scripting attack.

CWE(s)

Related Threats

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

Affected Assets

wpcloudplugins
use-your-drive
≤ 1.18.3

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.

addresses: CWE-79

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

addresses: CWE-79

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

addresses: CWE-79

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

References