VulnerabilityModified
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.
CRITICAL 9.8EPSS 3.12%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.12%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.12% probability · 87th percentile
- CISA KEV
- Not listed
- Affected
- noscript/noscript · torproject/tor browser
- Source
- cve@mitre.org
References
- https://noscript.net/getit#classicRelease Notes
- https://twitter.com/Zerodium/status/1039127214602641409Third Party Advisory
- https://www.zdnet.com/article/exploit-vendor-drops-tor-browser-zero-day-on-twitter/Third Party Advisory
- https://noscript.net/getit#classicRelease Notes
- https://twitter.com/Zerodium/status/1039127214602641409Third Party Advisory
- https://www.zdnet.com/article/exploit-vendor-drops-tor-browser-zero-day-on-twitter/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.