Critical severity · published Sep 13, 2018
CVE-2018-16983
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
9.8
CVSS
3.1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.1% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NO
Noscript · Noscript
before 5.1.8.7 · source: NVD
TB
Tor Browser · Torproject
7.0.0 through 7.0.11 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-16983
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-16983
Release Notes
https://noscript.net/getit#classic
Third Party Advisory
https://twitter.com/Zerodium/status/1039127214602641409
Third Party Advisory
https://www.zdnet.com/article/exploit-vendor-drops-tor-browser-zero-day-on-twitter/