CVE-2021-39307
MEDIUM
6.1
CVSS Score
Published: September 15, 2021 at 12:47 PM UTC
Updated: June 17, 2026 at 04:03 AM UTC
1 product affected across 1 vendorWebviewer UI
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Severity
MEDIUM6.1
Exploit prediction
EPSS 1%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v ≤ 8.0
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (2)
x_refsource_MISCExploitPatchThird Party Advisory
Source: [email protected]
https://research.nccgroup.com/2021/09/14/technical-advisory-pdftron-javascript-urls-allowed-in-webviewer-ui-cve-2021-39307/CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-79
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