What is CVE-2026-4032?

CVE-2026-4032 is a medium-severity vulnerability in Kpumuk Codecolorer, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-04-16.

How severe is CVE-2026-4032?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Kpumuk Codecolorer

CVE-2026-4032

The CodeColorer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'class' parameter in 'cc' comment shortcode in versions up to, and including, 0.10.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Exploitation requires comments to be enabled on the target post and guest comments to be allowed.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (14.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Kpumuk Codecolorer — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2026-4032?: CVE-2026-4032 is a medium-severity vulnerability in Kpumuk Codecolorer, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-04-16.
How severe is CVE-2026-4032?: Medium severity. CVSS v3 base score is 6.1 out of 10.