7.2

CVE-2025-3662: colorlib fancybox Cross-site Scripting

CVSS: 7.2v3.1HighAnalyzed
Published 03-06-2025Last modified 03-06-2025
Open JSON

Vulnerability summary

CVE-2025-3662 is a high (CVSS 7.2) Cross-site Scripting vulnerability in colorlib fancybox. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15.2% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 3.3.6.

Overall risk
39/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.2/10
010
High · v3.1 (wordfence)
EPSS score
0.25%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 03-06-2025
    PublishedVulnerability first disclosed.
  2. 03-06-2025
    Last modifiedVulnerability information updated.

Description

The FancyBox for WordPress plugin before 3.3.6 does not escape captions and titles attributes before using them to populate galleries' caption fields. The issue was received as a Contributor+ Stored XSS, however one of our researcher (Marc Montpas) escalated it to an Unauthenticated Stored XSS

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

15%

Versus all other CVEs

30-day change

0.00 pp

From 0.25% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.25%

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

Colorlib1 product
Unknown1 product
Wordpress1 product
  • fancybox-for-wordpress≤ 3.3.5 (fixed in 3.3.6)

3 vendors · 3 products

References

2 links