8.8

CVE-2025-15386: unknown responsive lightbox & gallery Cross-site Scripting

CVSS: 8.8v3.1HighDeferred
Published 24-02-2026Last modified 24-02-2026
Open JSON

Vulnerability summary

CVE-2025-15386 is a high (CVSS 8.8) Cross-site Scripting vulnerability in unknown responsive lightbox & gallery. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 18.3% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 2.6.1.

Overall risk
45/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.27%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 24-02-2026
    PublishedVulnerability first disclosed.
  2. 24-02-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.27%

Chance of exploitation in the next 30 days

Percentile

18%

Versus all other CVEs

30-day change

+0.01 pp

From 0.26% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.27%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (wpscan.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Unknown1 product
Wordpress1 product
  • responsive-lightbox< 2.6.1

2 vendors · 2 products

References

2 links