rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. From 1.0.3 until 1.7.1, Rails::HTML::PermitScrubber restricted SVG reference elements in SVG_ALLOW_LOCAL_HREF only when they used xlink:href, even though browsers also accept the plain href attribute. Applications with non-default allowed tags that included SVG use or feImage elements could therefore permit external references; a same-origin external SVG referenced by use could execute scripts in the sanitized document's context, while feImage could load external images for tracking. Applications using the default allowed tags are not affected. This issue is fixed in version 1.7.1.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Active

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact Low

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
rails rails-html-sanitizer affected
Version Status Constraints
>= 1.0.3, < 1.7.1 affected —

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Project Subscriptions

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-cj75-f6xr-r4g7 Rails HTML Sanitizers: Possible XSS vulnerability with certain configurations
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/rails/rails-html-sanitizer/commit/74dcb8053e6da9921246ce71b06ad9fd65b19586 cve-icon cve-icon
https://github.com/rails/rails-html-sanitizer/pull/223 cve-icon cve-icon
https://github.com/rails/rails-html-sanitizer/releases/tag/v1.7.1 cve-icon cve-icon
https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-cj75-f6xr-r4g7 cve-icon cve-icon
History

Thu, 13 Aug 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 13 Aug 2026 18:15:00 +0000

Type Values Removed Values Added
Description rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. From 1.0.3 until 1.7.1, Rails::HTML::PermitScrubber restricted SVG reference elements in SVG_ALLOW_LOCAL_HREF only when they used xlink:href, even though browsers also accept the plain href attribute. Applications with non-default allowed tags that included SVG use or feImage elements could therefore permit external references; a same-origin external SVG referenced by use could execute scripts in the sanitized document's context, while feImage could load external images for tracking. Applications using the default allowed tags are not affected. This issue is fixed in version 1.7.1.
Title rails-html-sanitizer: Possible XSS vulnerability with certain configurations
Weaknesses CWE-79
References
Metrics cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-08-13T18:35:10.270Z

Reserved: 2026-08-13T14:04:09.604Z

Link: CVE-2026-73648

cve-icon Vulnrichment

Updated: 2026-08-13T18:34:22.614Z

cve-icon NVD

Status : Received

Published: 2026-08-13T18:18:20.620

Modified: 2026-08-13T19:17:37.707

Link: CVE-2026-73648

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-13T19:45:17Z

Weaknesses