What is CVE-2026-39575?

CVE-2026-39575 is a medium-severity vulnerability in Ronald Huereca Custom Query Blocks, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2026-04-08.

How severe is CVE-2026-39575?

Medium severity. CVSS v3 base score is 6.5 out of 10.

XSS in Ronald Huereca Custom Query Blocks

CVE-2026-39575

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Ronald Huereca Custom Query Blocks post-type-archive-mapping allows DOM-Based XSS.This issue affects Custom Query Blocks: from n/a throug…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (11.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L.

Affected products

Ronald Huereca Custom Query Blocks — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

patchstack.com/database/Wordpress/Plugin/post-type-archive-mapping/vulnerabilit… (vdb-entry)

Frequently asked questions

What is CVE-2026-39575?: CVE-2026-39575 is a medium-severity vulnerability in Ronald Huereca Custom Query Blocks, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2026-04-08.
How severe is CVE-2026-39575?: Medium severity. CVSS v3 base score is 6.5 out of 10.