WordPress Plugin Vulnerabilities

MCB Stats <= 1.0.0 - Unauthenticated Stored XSS via User-Agent

Description

The plugin 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.

Proof of Concept

Affects Plugins

No known fix

References

Classification

Type
XSS
CWE
CVSS

Miscellaneous

Original Researcher
Muni Nitish Kumar Yaddala
Submitter
Muni Nitish Kumar Yaddala
Verified
Yes

Timeline

Publicly Published
2026-11-03 (about 3 days ago)
Added
2026-11-03 (about 2 days ago)
Last Updated
2026-11-05 (about 8 hours ago)

Other