How severe is CVE-2012-3463?

CVE-2012-3463 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2012-3463 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-3463?

CVE-2012-3463 primarily affects Rubyonrails Rails. In total, 80 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-3463?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-3463 published?

CVE-2012-3463 was published on 2012-08-10 and last updated on 2026-06-16.

CVE-2012-3463

CVE-2012-3463 is a medium-severity vulnerability in Rubyonrails Rails with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Rubyonrails Rails
Published: 2012-08-10
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in actionpack/lib/action_view/helpers/form_tag_helper.rb in Ruby on Rails 3.x before 3.0.17, 3.1.x before 3.1.8, and 3.2.x before 3.2.8 allows remote attackers to inject arbitrary web script or HTML via the prompt field to the select_tag helper.

Frequently asked questions

What is CVE-2012-3463?: Cross-site scripting (XSS) vulnerability in actionpack/lib/action_view/helpers/form_tag_helper.rb in Ruby on Rails 3.x before 3.0.17, 3.1.x before 3.1.8, and 3.2.x before 3.2.8 allows remote attackers to inject arbitrary web script or HTML via the prompt field to the select_tag helper.
How severe is CVE-2012-3463?: CVE-2012-3463 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2012-3463 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-3463?: CVE-2012-3463 primarily affects Rubyonrails Rails. In total, 80 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-3463?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-3463 published?: CVE-2012-3463 was published on 2012-08-10 and last updated on 2026-06-16.

References

Affected products (80)

cpe:2.3:a:rubyonrails:rails:3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.0:beta:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.0:beta2:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.0:beta3:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.0:beta4:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.0:rc:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.0:rc2:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.1:pre:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.2:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.2:pre:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.3:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.4:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.5:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.5:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.6:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.6:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.6:rc2:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.7:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.7:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.7:rc2:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.8:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.8:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.8:rc2:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.8:rc3:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.8:rc4:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.9:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.9:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.9:rc2:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.9:rc3:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.9:rc4:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.9:rc5:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.10:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.10:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.11:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.12:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.12:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.13:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.13:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.14:*:*:*:*:*:*:*

More vulnerabilities in Rubyonrails Rails

CVE-2013-0277 — Critical (CVSS 10.0): ActiveRecord in Ruby on Rails before 2.3.17 and 3.x before 3.1.0 allows remote attackers to cause a denial of service…
CVE-2026-33195 — Critical (CVSS 9.8): Active Storage allows users to attach cloud and local files in Rails applications. Prior to versions 8.1.2.1, 8.0.4.1,…
CVE-2020-8165 — Critical (CVSS 9.8): A deserialization of untrusted data vulnernerability exists in rails < 5.2.4.3, rails < 6.0.3.1 that can allow an…
CVE-2019-5420 — Critical (CVSS 9.8): A remote code execution vulnerability in development mode Rails <5.2.2.1, <6.0.0.beta3 can allow an attacker to guess…
CVE-2026-33202 — Critical (CVSS 9.1): Active Storage allows users to attach cloud and local files in Rails applications. Prior to versions 8.1.2.1, 8.0.4.1,…
CVE-2020-8163 — High (CVSS 8.8): The is a code injection vulnerability in versions of Rails prior to 5.0.1 that wouldallow an attacker who controlled…

All CVEs affecting Rubyonrails Rails →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →