CVE-2018-16983: Critical severity noscript vulnerability

Published Sep 13, 2018
·
Updated

NoScript Classic before 5.1.8.7, as used in Tor Browser 7.x and other products, allows attackers to bypass script blocking via the text/html;/json Content-Type value.

Affected Software

2 affected components
NoScript NoScript<5.1.8.7
torproject Tor Browser>=7.0.0<=7.0.11

Event History

Sep 13, 2018
CVE Published
via MITRE·04:00 AM
Data Sourced
via MITRE·04:00 AM
Description
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Frequently Asked Questions

1

What is CVE-2018-16983?

CVE-2018-16983 is a vulnerability in NoScript Classic before version 5.1.8.7, as used in Tor Browser 7.x and other products, that allows attackers to bypass script blocking via the text/html;/json Content-Type value.

2

How severe is CVE-2018-16983?

CVE-2018-16983 has a severity rating of 9.8 in the Common Vulnerability Scoring System (CVSS), which is considered critical.

3

Which software versions are affected by CVE-2018-16983?

NoScript Classic versions before 5.1.8.7 and Tor Browser versions between 7.0.0 and 7.0.11 are affected by CVE-2018-16983.

4

How can I fix the CVE-2018-16983 vulnerability?

To fix the CVE-2018-16983 vulnerability, users should update to NoScript Classic version 5.1.8.7 or later and Tor Browser version 7.0.12 or later.

5

Where can I find more information about CVE-2018-16983?

More information about CVE-2018-16983 can be found at the following references: - NoScript Classic: https://noscript.net/getit#classic - Zerodium tweet: https://twitter.com/Zerodium/status/1039127214602641409 - ZDNet article: https://www.zdnet.com/article/exploit-vendor-drops-tor-browser-zero-day-on-twitter/

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