XSS in Mcb

CVE-2026-110525

The MCB WordPress plugin through 1.0.0 does not sanitise or escape request header values before storing them and later rendering them in the administrator statistics grid, allowing unauthenticated attackers to store malicious JavaScript that executes in an administrator's browser session when the statistics page is viewed.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

  • Mcb

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-110525?
CVE-2026-110525 is a high-severity vulnerability in Mcb, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2026-11-06.
How severe is CVE-2026-110525?
High severity. CVSS v3 base score is 8.8 out of 10.