Medium severity · published Jul 8, 2025
CVE-2025-5537
Lightbox & Modal Popup WordPress Plugin – FooBox <= 2.7.34 - Authenticated (Author+) Stored Cross-Site Scripting
5.4
CVSS
0.2%
EPSS
No
On KEV
Description
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 output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 10% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LM
Lightbox & Modal Popup WordPress Plugin – FooBox · fooplugins
through 2.7.34 · source: vendor
FO
Foobox · Fooplugins
before 2.7.35 · source: NVD
Affected product
LM
Lightbox & Modal Popup WordPress Plugin – FooBox
fooplugins
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-5537
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-5537
Patch
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3322273%40foobox-image-lightbox&new=3322273%40foobox-image-lightbox&sfp_email=&sfph_mail=
Third Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/b5fd2163-b8ef-4dd1-a12b-cd9187145134?source=cve
More from Lightbox & Modal Popup WordPress Plugin – FooBox
5.4
CVE-2024-5668
Lightbox & Modal Popup WordPress Plugin – FooBox <= 2.7.28 - Authenticated (Contributor+) Stored DOM-Based Cross-Site Scripting via HTML Data Attributes