CVE-2024-4381: CB (legacy) <= 0.9.4.18 - Admin+ Stored XSS

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2024-06-21 · updated 2026-06-17
Weakness: CWE-79

Description

The CB (legacy) WordPress plugin through 0.9.4.18 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

CommonsBooking: through 0.9.4.18

References

https://wpscan.com/vulnerability/9b3cda9a-17a7-4173-93a2-d552a874fae9/
https://wpscan.com/vulnerability/9b3cda9a-17a7-4173-93a2-d552a874fae9/

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