How severe is CVE-2024-13504?

High severity. CVSS v3 base score is 7.2 out of 10.

Is CVE-2024-13504 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Anssilaitila Shared Files – Frontend File Upload Form & Secure Sharing

CVE-2024-13504

The Shared Files – Frontend File Upload Form & Secure File Sharing plugin for WordPress is vulnerable to Stored Cross-Site Scripting via dfxp File uploads in all versions up to, and including, 1.7.42 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses the dfxp file. This issue affects only Apache-based environments, where dfxp files are handled by default.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (29.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

Affected products

Anssilaitila Shared Files – Frontend File Upload Form & Secure Sharing — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-13504?: CVE-2024-13504 is a high-severity vulnerability in Anssilaitila Shared Files – Frontend File Upload Form & Secure Sharing, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2025-01-31.
How severe is CVE-2024-13504?: High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2024-13504 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.