CVE-2009-4214

mediumpriority · track · 18EPSS 0.030 · 87 %ileEUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
3.02% (87th) EPSS
CVSS 4.3 · medium
Is it mine?
56 products
Check your exposure
Who says so?
3 sources
enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

Cross-site scripting (XSS) vulnerability in the strip_tags function in Ruby on Rails before 2.2.s, and 2.3.x before 2.3.5, allows remote attackers to inject arbitrary web script or HTML via vectors involving non-printing ASCII characters, related to HTML::Tokenizer and actionpack/lib/action_controller/vendor/html-scanner/html/node.rb.

01

cvss

Technical severity, 0–10. One row per scoring source.

4.3
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.7–4.3

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9
v2.03.7lowAV:N/AC:M/Au:N/C:N/I:P/A:N/E:Usecondary · CVSS-BT (t0sche)
02

weaknesses

The CWE weakness classes this flaw belongs to.

03

affected products (56)

Products and version ranges known to be affected.

showing 20 of 56
04

advisories (1)

Vendor and ecosystem advisories describing this.

  • GHSA-9p3v-wf2w-v29cModerate severity vulnerability that affects rails2017-10-24ghsa · osvUS

    Cross-site scripting (XSS) vulnerability in the strip_tags function in Ruby on Rails before 2.2.s, and 2.3.x before 2.3.5, allows remote attackers to inject arbitrary web script or HTML via vectors involving non-printing ASCII characters, related to HTML::Tokenizer and actionpack/lib/action_controller/vendor/html-scanner/html/node.rb.

05

also known as (2)

Other names and identifiers for this entity.

06

sources

Which sources assert this record, and when.

published 2009-12-07modified 2026-06-16
08

references (30)

External citations — patches, advisories, analysis.

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