What is CVE-2025-5537?

CVE-2025-5537 is a medium-severity vulnerability in Fooplugins Foobox, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2025-07-08.

How severe is CVE-2025-5537?

Medium severity. CVSS v3 base score is 6.4 out of 10.

XSS in Fooplugins Foobox

CVE-2025-5537

The Lightbox & Modal Popup WordPress Plugin – FooBox plugin for WordPress is vulnerable to Stored Cross-Site Scripting via image alternative texts in all versions up to, and including, 2.7.34 due to insufficient input sanitization and outp…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (6.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Fooplugins Foobox
Fooplugins Lightbox & Modal Popup Wordpress Plugin – Foobox — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security@wordfence.com (Third Party Advisory)
security@wordfence.com (Patch)

Frequently asked questions

What is CVE-2025-5537?: CVE-2025-5537 is a medium-severity vulnerability in Fooplugins Foobox, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2025-07-08.
How severe is CVE-2025-5537?: Medium severity. CVSS v3 base score is 6.4 out of 10.