CVE-2022-3823: Beautiful Cookie Consent Banner < 2.9.1 - Admin+ Stored XSS

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-11-28 · updated 2026-06-17

Description

The Beautiful Cookie Consent Banner WordPress plugin before 2.9.1 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

Beautiful Cookie Consent Banner: before 2.9.1 — fixed in 2.9.1

How to fix

Upgrade to a fixed version: Beautiful Cookie Consent Banner 2.9.1. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/a072b091-5e5f-4e88-bd3d-2f4582e6564e
https://wpscan.com/vulnerability/a072b091-5e5f-4e88-bd3d-2f4582e6564e
https://wpscan.com/vulnerability/a072b091-5e5f-4e88-bd3d-2f4582e6564e/

Get alerted when CVE-2022-3823 or the next vulnerability affects your stack