CVE-2011-2197: n/a vulnerability

CVE-2011-2197: The cross-site scripting (XSS) prevention feature in Ruby on Rails 2.x before 2.3.12, 3.0.x before 3.0.8, a...

The cross-site scripting (XSS) prevention feature in Ruby on Rails 2.x before 2.3.12, 3.0.x before 3.0.8, and 3.1.x before 3.1.0.rc2 does not properly handle mutation of safe buffers, which makes it easier for remote attackers to conduct XSS attacks via crafted strings to an application that uses a problematic string method, as demonstrated by the sub method.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 22:53 UTC (UTC+00:00)

Security readout for executives and security teams

Older Ruby on Rails versions had a flaw in their XSS protection. In affected applications, certain string changes could turn trusted-looking content into unsafe browser output, letting an attacker run script in a user’s session if the application used vulnerable patterns. Exposure is mainly legacy Rails applications still on the named vulnerable versions, especially views or helpers that transform safe buffers or use affected string methods on user-influenced content. Prioritize remediation for internet-facing legacy Rails applications and any systems handling authenticated user sessions or sensitive workflows. The risk is meaningful but context-dependent, with no active exploitation evidence in the provided sources. Mitigation focus: Upgrade Rails to 2.3.12, 3.0.8, 3.1.0.rc2, or later as applicable.; Apply Fedora or distribution package updates where Rails is OS-packaged.; Review vendor Rails guidance before relying on backports or temporary controls..

Prepared: Jun 28, 2026, 00:52 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jun 30, 2011, 15:26 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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1Source links

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CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

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Weakness

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