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 i

medium Affects foobox-image-lightbox (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

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 i

Package
foobox-image-lightbox (WordPress plugin) WordPress
Affected versions
<2.7.35
Fixed in
2.7.35
Severity
medium  CVSS 6.4
Exploitation
not on CISA KEV · EPSS 0% (9.6th percentile)
Published
2025-07-08
Source
nvd

References

CWE-79
NVD recordfoobox-image-lightbox (WordPress plugin) advisories

Am I affected?

Find out in one command. phpwarden checks your WordPress install against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden wordpress /var/www/html

Or keep it checked automatically with the GitHub Action or a nightly cron; see WordPress docs.

Install docs   How findings are ranked

Related advisories