CVE-2018-16983
9.8
CRITICAL · CVSS 3.0 · EPSS 3.1% (pctl 87)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.12% — more likely to be exploited than 87% of all CVEs |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2018-09-13 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| noscript | noscript |
| torproject | tor browser |
References
- https://noscript.net/getit#classic
- https://twitter.com/Zerodium/status/1039127214602641409
- https://www.zdnet.com/article/exploit-vendor-drops-tor-browser-zero-day-on-twitter/
- https://noscript.net/getit#classic
- https://twitter.com/Zerodium/status/1039127214602641409
- https://www.zdnet.com/article/exploit-vendor-drops-tor-browser-zero-day-on-twitter/
→ the Explorer · watch your stack · NVD