The Responsive Lightbox & Gallery WordPress plugin before 2.5.1 does not validate and escape some of its attributes before outputting them back in a page/post, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.
CVE ID: CVE-2025-3742
CVSS Base Severity: MEDIUM
CVSS Base Score: 6.8
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Vendor: Unknown
Product: Responsive Lightbox & Gallery
EPSS Score: 0.04% (probability of being exploited)
EPSS Percentile: 10.8% (scored less or equal to compared to others)
EPSS Date: 2025-06-08 (when was this score calculated)