NoScript Classic before 5.1.8.7, as used in Tor Browser 7.x and other products, allows…
Priority MEDIUM 48Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.0312 87th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:noscript:noscript:*:*:*:*:*:*:*:* | before 5.1.8.7 | Vulnerable | Noscript |
| cpe:2.3:a:torproject:tor_browser:*:*:*:*:*:*:*:* | 7.0.0 – 7.0.11 | Vulnerable | torproject |
- cpe:2.3:a:noscript:noscript:*:*:*:*:*:*:*:* Versions before 5.1.8.7 Vulnerable ·Noscript
- cpe:2.3:a:torproject:tor_browser:*:*:*:*:*:*:*:* Versions 7.0.0 – 7.0.11 Vulnerable ·torproject
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2018-16983
- 2026-10-03 Alias added: GHSA-v8jx-7m24-m4pm
References
Sources
- CVE-2018-16983 · CVE Program
- CVE-2018-16983 · NVD
- FIRST EPSS
- GHSA-v8jx-7m24-m4pm · GitHub Advisory Database · CC BY 4.0
- CVE-2018-16983 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences