What is CVE-2026-40734?

CVE-2026-40734 is a medium-severity vulnerability in Zahlan Categories Images, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2026-04-15.

How severe is CVE-2026-40734?

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

XSS in Zahlan Categories Images

CVE-2026-40734

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Zahlan Categories Images categories-images allows DOM-Based XSS.This issue affects Categories Images: from n/a through <= 3.3.1.

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

Zahlan Categories Images — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

patchstack.com/database/Wordpress/Plugin/categories-images/vulnerability/wordpr… (vdb-entry)

Frequently asked questions

What is CVE-2026-40734?: CVE-2026-40734 is a medium-severity vulnerability in Zahlan Categories Images, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2026-04-15.
How severe is CVE-2026-40734?: Medium severity. CVSS v3 base score is 6.5 out of 10.