THREATPORT/VULNERABILITY/CVE-2018-16983
CRITICAL SEVERITY

CVE-2018-16983

Noscript vulnerability

CVSS
9.8
EPSS
3.1%
EPSS pct
86th
Exploited
No known
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 vendor
Noscript
Affected product
Noscript
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2018-09-13

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 86% of all scored CVEs.

Check your external exposure to CVE-2018-16983

  • Confirm whether Noscript Noscript is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-16983.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-16983

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-16983 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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Are you exposed to CVE-2018-16983?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2018-16983.

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