CVE-2023-2401: Qubotchat < 1.1.6 – Admin+ Stored XSS

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-06-19 · updated 2026-06-17

Description

The QuBot WordPress plugin before 1.1.6 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

Affected products

QuBot: before 1.1.6 — fixed in 1.1.6

How to fix

Upgrade to a fixed version: QuBot 1.1.6. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/0746ea56-dd88-4fc3-86a3-54408eef1f94
https://wpscan.com/vulnerability/0746ea56-dd88-4fc3-86a3-54408eef1f94

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