CVE-2025-3662
CVE-2025-3662 is a medium-severity vulnerability in Colorlib Fancybox with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- EPSS exploit prediction: 0% (11th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-16698
- Weakness: CWE-79
- Affected product: Colorlib Fancybox
- Published:
- Last modified:
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
Frequently asked questions
- What is CVE-2025-3662?
- 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
- How severe is CVE-2025-3662?
- CVE-2025-3662 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2025-3662 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-3662?
- CVE-2025-3662 affects Colorlib Fancybox. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-3662?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-3662 have an EU (EUVD) identifier?
- Yes. CVE-2025-3662 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16698.
- When was CVE-2025-3662 published?
- CVE-2025-3662 was published on 2025-06-03 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:colorlib:fancybox:*:*:*:*:*:wordpress:*:*
More vulnerabilities in Colorlib Fancybox
- CVE-2024-0662 — Medium (CVSS 4.4): The FancyBox for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in…
- CVE-2015-1494 — Medium (CVSS 4.3): The FancyBox for WordPress plugin before 3.0.3 for WordPress does not properly restrict access, which allows remote…
All CVEs affecting Colorlib Fancybox →
Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities
- CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
- CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
- CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
- CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
- CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
- CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…
Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →