Stirling-PDF is a locally hosted web application that facilitates various operations on PDF files. In versions prior to 2.0.0, file upload endpoints render user-supplied filenames directly into HTML using unsafe methods like innerHTML without sanitization. An attacker can craft a file with a malicious filename containing JavaScript that executes in the uploading user's browser context, resulting in reflected XSS. The issue affects numerous upload endpoints across the application. The issue has been fixed in version 2.0.0.
Metrics
Affected Vendors & Products
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Advisories
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Fixes
Solution
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Workaround
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References
History
Fri, 17 Apr 2026 20:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Stirling-PDF is a locally hosted web application that facilitates various operations on PDF files. In versions prior to 2.0.0, file upload endpoints render user-supplied filenames directly into HTML using unsafe methods like innerHTML without sanitization. An attacker can craft a file with a malicious filename containing JavaScript that executes in the uploading user's browser context, resulting in reflected XSS. The issue affects numerous upload endpoints across the application. The issue has been fixed in version 2.0.0. | |
| Title | Stirling-PDF: Reflected XSS through crafted filename in file upload functionality | |
| Weaknesses | CWE-116 CWE-20 CWE-79 |
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cvssV3_1
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Projects
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MITRE
Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-04-17T20:29:43.262Z
Reserved: 2026-03-19T18:45:22.436Z
Link: CVE-2026-33436
Vulnrichment
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NVD
Status : Received
Published: 2026-04-17T21:16:32.750
Modified: 2026-04-17T21:16:32.750
Link: CVE-2026-33436
Redhat
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OpenCVE Enrichment
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