XSS in Alexusmai Laravel File Manager

CVE-2025-63307

alexusmai laravel-file-manager 3.3.1 is vulnerable to Cross Site Scripting (XSS). The application permits user-controlled upload, create, and rename of files to HTML and SVG types and serves those files inline without adequate content-type validation or output sanitization.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.004 (28.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-63307: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-63307?
CVE-2025-63307 is a high-severity vulnerability in Alexusmai Laravel File Manager, classified under Cross-site Scripting. CVSS score: 8.1/10. Published 2025-11-06.
How severe is CVE-2025-63307?
High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2025-63307 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.