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Vulnerabilities CVE-2026-33437

CVE-2026-33437

High
Open
TLP:CLEAR

Stirling PDF: Stored XSS in Info Summary

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Description

Stirling-PDF is a locally hosted web application that facilitates various operations on PDF files. Prior to 2.0.0, the Get Info workflow in app/core/src/main/resources/templates/security/get-info-on-pdf.html inserts untrusted PDF Title and Author metadata into the summary-text element with innerHTML, allowing a malicious PDF to execute stored cross-site scripting when a user clicks Get Info and to access browser-session data or modify page content. This issue is fixed in version 2.0.0.

Details

CVSS Score
8.1
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Confidence
90%
Published
Aug 17, 2026
Last Modified
Aug 17, 2026
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