Vulnerability in Responsive Lightbox & Gallery

CVE-2025-15386

The Responsive Lightbox & Gallery WordPress plugin before 2.6.1 is vulnerable to an Unauthenticated Stored-XSS attack due to flawed regex replacement rules that can be abused by posting a comment with a malicious link when lightbox for comments are enabled and then approved.

EPSS: 0.003 (17.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

  • Unknown Responsive Lightbox & Gallery — versions 1.7.0

References

Frequently asked questions

What is CVE-2025-15386?
CVE-2025-15386 is a high-severity vulnerability in Responsive Lightbox & Gallery, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 8.8/10. Published 2026-02-24.
How severe is CVE-2025-15386?
High severity. CVSS v3 base score is 8.8 out of 10.