What is CVE-2025-22521?

CVE-2025-22521 is a high-severity vulnerability in Scott Farrell Wp Hosting Performance Check, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2025-01-09.

How severe is CVE-2025-22521?

High severity. CVSS v3 base score is 7.1 out of 10.

Is CVE-2025-22521 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Scott Farrell Wp Hosting Performance Check

CVE-2025-22521

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Scott Farrell wp Hosting Performance Check wp-hosting-performance-check allows Reflected XSS.This issue affects wp Hosting Performance Check: from n/a through <= 2.18.8.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (23.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L.

Affected products

Scott Farrell Wp Hosting Performance Check — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

cyb3r-w0lf/nuclei-template-collection

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2025-22521?: CVE-2025-22521 is a high-severity vulnerability in Scott Farrell Wp Hosting Performance Check, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2025-01-09.
How severe is CVE-2025-22521?: High severity. CVSS v3 base score is 7.1 out of 10.
Is CVE-2025-22521 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.