What’s Vulnerable › Vulnerabilities

CVE-2021-42546: Reflected XSS in search functionality of WP Cloud Plugins - Use-Your-Drive

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-12-13 · updated 2026-06-17
• Weakness: CWE-79

Description

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.

Affected products

• WP Cloud Plugins Use-Your-Drive: before 1.18.3 — fixed in 1.18.3

How to fix

Upgrade to a fixed version: WP Cloud Plugins Use-Your-Drive 1.18.3. Check the vendor advisory for mitigations.

References

• https://www.wpcloudplugins.com/wp-content/plugins/use-your-drive/_documentation/index.html#releasenotes
• https://www.wpcloudplugins.com/wp-content/plugins/use-your-drive/_documentation/index.html#releasenotes

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