Stored XSS via unsafe Lottie file uploads
Published Apr 24, 2025 · Updated Apr 8, 2026
Stored XSS in bPlugins Lottie Player 1.1.8 and earlier allows remote authenticated users to inject scripts through uploaded files. The plugin adds Lottie-related MIME types to WordPress uploads and emits an uploaded file URL into page output without sufficient sanitization or escaping. Author-level access is required, and scripts execute when a visitor opens the uploaded file.
Summary
What happened
Stored XSS in bPlugins Lottie Player 1.1.8 and earlier allows remote authenticated users to inject scripts through uploaded files. The plugin adds Lottie-related MIME types to WordPress uploads and emits an uploaded file URL into page output without sufficient sanitization or escaping. Author-level access is required, and scripts execute when a visitor opens the uploaded file.
The record
- CVE
- CVE-2025-2579
- Published
- Apr 24, 2025
- Updated
- Apr 8, 2026
- Vendor
- bPlugins
- Product
- Lottie Player
- Classifications
- CWE-79, T1190
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Apr 24, 2025CVE publishedPublication date reported by the CVE source.
- Apr 8, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=0 <=1.1.8
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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