CVE-2009-3009

NONECVSS 0.0Trending — 3 sources updated this week

0.0

Cross-site scripting (XSS) vulnerability in Ruby on Rails 2.x before 2.2.3, and 2.3.x before 2.3.4, allows remote attackers to inject arbitrary web script or HTML by placing malformed Unicode strings into a form helper.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 82.2%
KEV: Not listed

Published

September 8, 2009

Last Modified

April 23, 2026

References (28)

cve@mitrehttp://bugs.debian.org/cgi-bin/bugreport.cgi?bug=545063
cve@mitrehttp://groups.google.com/group/rubyonrails-security/msg/7f57cd7794e1d1b4?dmode=source
cve@mitrehttp://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html
cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2009-10/msg00004.html
cve@mitrehttp://secunia.com/advisories/36600
cve@mitrehttp://secunia.com/advisories/36717
cve@mitrehttp://securitytracker.com/id?1022824
cve@mitrehttp://support.apple.com/kb/HT4077
cve@mitrehttp://weblog.rubyonrails.org/2009/9/4/xss-vulnerability-in-ruby-on-rails
cve@mitrehttp://www.debian.org/security/2009/dsa-1887
cve@mitrehttp://www.osvdb.org/57666
cve@mitrehttp://www.securityfocus.com/bid/36278
cve@mitrehttp://www.vupen.com/english/advisories/2009/2544
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/53036
af854a3a-2127-422b-91ae-364da2661108http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=545063

Affected Packages

(2 across 1 ecosystem)

RubyGems(2)

Package	Vulnerable range	Fixed in	Dependents
actionpack	2.3.2, 2.3.3	2.3.4	—
activesupport	2.3.2, 2.3.3	2.3.4	—

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:10 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:13 UTCepss_batch
2026-05-31 00:13 UTCepss_batch
2026-05-30 15:27 UTCEG score recompute
2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 06:03 UTCOSV refresh
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch

Frequently asked(4)

What is CVE-2009-3009?

CVE-2009-3009 is a none vulnerability published on September 8, 2009. Cross-site scripting (XSS) vulnerability in Ruby on Rails 2.x before 2.2.3, and 2.3.x before 2.3.4, allows remote attackers to inject arbitrary web script or HTML by placing malformed Unicode strings into a form helper.

When was CVE-2009-3009 disclosed?

CVE-2009-3009 was first published in the National Vulnerability Database on September 8, 2009, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2009-3009 actively exploited?

CVE-2009-3009 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 82.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2009-3009?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2009-3009, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2009-3009

📅 Published

🔄 Last Modified

🔗 References (28)