CVE-2012-3464

NONECVSS 0.0Trending — 3 sources updated this week
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 3%CVSS: —Exploit: NoneExposed: 0

A fix is available — apply it.

Cross-site scripting (XSS) vulnerability in activesupport/lib/active_support/core_ext/string/output_safety.rb in Ruby on Rails before 3.0.17, 3.1.x before 3.1.8, and 3.2.x before 3.2.8 might allow remote attackers to inject arbitrary web script or HTML via vectors involving a ' (quote) character.

CVSS v3
—
EG Score
0.0(none)
EPSS
83.5%
KEV
Not listed

Published

August 10, 2012

Last Modified

April 29, 2026

References (8)

Vendor Advisories for CVE-2012-3464(3)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(3)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatrubygem-ruby_parser-0:2.0.4-6.el6op2013-02-28redhat
redhatrubygem-activesupport-1:3.0.10-5.el6cf2013-01-10redhat
redhatrubygem-net-ldap-0:0.1.1-3.el6cf2012-12-04redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)
RubyGems(1)
PackageVulnerable rangeFixed inDependents
activesupport1.0.0 ... 2.3.9.pre (45 versions)2.3.16—

Data Freshness Timeline

(refreshed 11× in last 7d / 41× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 106 total refreshes for this CVE.

  1. 2026-07-22 21:49 UTCEG score recompute
  2. 2026-07-22 18:20 UTCOSV refresh
  3. 2026-07-22 14:04 UTCEPSS rescore
  4. 2026-07-22 14:04 UTCEPSS rescore
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  24. 2026-07-05 13:29 UTCOSV refresh
  25. 2026-07-05 02:26 UTCEPSS rescore
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  1. 2026-07-04 06:27 UTCEPSS rescore
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  23. 2026-06-18 17:49 UTCEPSS rescore
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  25. 2026-06-17 17:49 UTCEPSS rescore
  26. 2026-06-17 17:49 UTCEPSS rescore
  27. 2026-06-17 00:43 UTCOSV refresh
  28. 2026-06-16 17:49 UTCEPSS rescore
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  30. 2026-06-15 17:44 UTCEPSS rescore
  31. 2026-06-14 23:14 UTCEPSS rescore
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  56. 2026-05-29 13:41 UTCEPSS rescore
  57. 2026-05-29 03:35 UTCEG score recompute
  58. 2026-05-29 03:35 UTCVendor advisory
  59. 2026-05-28 13:42 UTCEPSS rescore
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  61. 2026-05-27 22:48 UTCOSV refresh
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  75. 2026-05-20 22:37 UTCEPSS rescore

Frequently asked(4)

What is CVE-2012-3464?
CVE-2012-3464 is a none vulnerability published on August 10, 2012. Cross-site scripting (XSS) vulnerability in activesupport/lib/activesupport/coreext/string/output_safety.rb in Ruby on Rails before 3.0.17, 3.1.x before 3.1.8, and 3.2.x before 3.2.8 might allow remote attackers to inject arbitrary web script or HTML via vectors involving a ' (quote) character.
When was CVE-2012-3464 disclosed?
CVE-2012-3464 was first published in the National Vulnerability Database on August 10, 2012, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2012-3464 actively exploited?
CVE-2012-3464 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 83.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2012-3464?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-3464, 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.

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