CVE-2024-3276: FooBox (Free and Premium) < 2.7.28 - 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: 2024-06-18 · updated 2026-06-17
Weakness: CWE-79

Description

The Lightbox & Modal Popup WordPress Plugin WordPress plugin before 2.7.28, foobox-image-lightbox-premium WordPress plugin before 2.7.28 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

fooplugins Foobox: before 2.7.28 — fixed in 2.7.28

How to fix

Upgrade to a fixed version: fooplugins Foobox 2.7.28. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/996d3247-ebdd-49d1-a1a3-ceedcf9f2f95/
https://wpscan.com/vulnerability/996d3247-ebdd-49d1-a1a3-ceedcf9f2f95/

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