CVE-2025-2579: Lottie Player <= 1.1.8 - Authenticated (Author+) Stored Cross-Site Scripting via File Upload

6.4 CVSS

Description

The Lottie Player plugin for WordPress is vulnerable to Stored Cross-Site Scripting via File uploads in all versions up to, and including, 1.1.8 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 uploaded file.

Classification

CVE ID: CVE-2025-2579

CVSS Base Severity: MEDIUM

CVSS Base Score: 6.4

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Problem Types

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Vendor: bplugins

Product: Lottie Player- Great Lottie Player Solution

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.03% (probability of being exploited)

EPSS Percentile: 8.43% (scored less or equal to compared to others)

EPSS Date: 2025-05-23 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-2579
https://www.wordfence.com/threat-intel/vulnerabilities/id/b85b314d-a155-4cec-95c9-0db4b9d8e59b?source=cve
https://plugins.trac.wordpress.org/browser/embed-lottie-player/tags/1.1.8/plugin.php#L82
https://plugins.trac.wordpress.org/browser/embed-lottie-player/tags/1.1.8/plugin.php#L130
https://wordpress.org/plugins/embed-lottie-player/#developers

Timeline