Unauthenticated external redirection via unvalidated file parameter
Published Oct 30, 2025 · Updated Oct 30, 2025
Open redirect in Byaidu PDFMathTranslate 1.9.9 allows remote attackers to redirect users to external sites through a crafted URL. The /gradio_api/file= handler accepts an unvalidated file parameter and returns an HTTP 302 response targeting any external domain. Exploitation requires a user to follow the crafted application URL, enabling phishing or security-filter bypass without directly modifying the application.
Summary
What happened
Open redirect in Byaidu PDFMathTranslate 1.9.9 allows remote attackers to redirect users to external sites through a crafted URL. The /gradio_api/file= handler accepts an unvalidated file parameter and returns an HTTP 302 response targeting any external domain. Exploitation requires a user to follow the crafted application URL, enabling phishing or security-filter bypass without directly modifying the application.
The record
- CVE
- CVE-2025-50736
- Published
- Oct 30, 2025
- Updated
- Oct 30, 2025
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-601, T1204.001
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Oct 30, 2025CVE publishedPublication date reported by the CVE source.
- Oct 30, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
What conditions does exploitation require?
What is affected?
Affected products and versions are unavailable in this record.
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
- PDFMathTranslate 1.9.9 open-redirect proof of conceptproof of concept · demonstrated
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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