XSS in Maxsdesign Preloader Plus – WordPress Loading Screen Plugin

CVE-2024-6849

The Preloader Plus – WordPress Loading Screen Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG File uploads in all versions up to, and including, 2.2.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses the SVG file.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (22.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-6849?
CVE-2024-6849 is a medium-severity vulnerability in Maxsdesign Preloader Plus – WordPress Loading Screen Plugin, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2024-09-07.
How severe is CVE-2024-6849?
Medium severity. CVSS v3 base score is 6.4 out of 10.
Is CVE-2024-6849 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.