What is CVE-2021-39307?

CVE-2021-39307 is a medium-severity vulnerability in Pdftron Webviewer Ui, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-09-15.

How severe is CVE-2021-39307?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Pdftron Webviewer Ui

CVE-2021-39307

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.011 (63.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Pdftron Webviewer_ui
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (Product, x_refsource_MISC, Vendor Advisory)
cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-39307?: CVE-2021-39307 is a medium-severity vulnerability in Pdftron Webviewer Ui, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-09-15.
How severe is CVE-2021-39307?: Medium severity. CVSS v3 base score is 6.1 out of 10.