Stirling-Tools Stirling-PDF up to 1.x Get Info Workflow get-info-on-pdf.html cross site scripting

Summaryinfo

A vulnerability was found in Stirling-Tools Stirling-PDF up to 1.x. It has been declared as problematic. The impacted element is an unknown function of the file app/core/src/main/resources/templates/security/get-info-on-pdf.html of the component Get Info Workflow. Such manipulation leads to cross site scripting. This vulnerability is documented as CVE-2026-33437. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Stirling-Tools Stirling-PDF up to 1.x. Affected by this issue is some unknown processing of the file app/core/src/main/resources/templates/security/get-info-on-pdf.html of the component Get Info Workflow. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. CVE summarizes:

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.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-33437 since 03/19/2026. The exploitation is known to be easy. The attack may be launched remotely. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

By approaching the search of inurl:app/core/src/main/resources/templates/security/get-info-on-pdf.html it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 2.0.0 eliminates this vulnerability.

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Productinfo

Vendor

• Stirling-Tools

Name

• Stirling-PDF

Version

• 1.x

Website

• Product: https://github.com/Stirling-Tools/Stirling-PDF/

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CPE 2.2info

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