CVE-2021-39307
6.1 MEDIUMPDFTron's WebViewer UI 8.0 or below renders dangerous URLs as hyperlinks in supported documents, including JavaScript URLs, allowing the ...
Published: 2021-09-15 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 6.1 MEDIUM
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CWE
- CWE-79
Affected products
| Vendor | Product |
|---|---|
| pdftron | webviewer_ui |
Description
PDFTron's WebViewer UI 8.0 or below renders dangerous URLs as hyperlinks in supported documents, including JavaScript URLs, allowing the execution of arbitrary JavaScript code.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-39307
- [Patch]https://research.nccgroup.com/2021/09/14/technical-advisory-pdftron-javascript-urls-allowed-in-webviewer-ui-cve-2021-39307/
- [Vendor advisory]https://www.pdftron.com/webviewer/
- [Patch]https://research.nccgroup.com/2021/09/14/technical-advisory-pdftron-javascript-urls-allowed-in-webviewer-ui-cve-2021-39307/
- [Vendor advisory]https://www.pdftron.com/webviewer/
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