CVE-2026-121447

svg-sanitizer before 1.1.0 XSS via animateTransform on Safari

Published Nov 3, 2026 CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
svg-sanitizer before 1.1.0 contains a cross-site scripting vulnerability that allows attackers to bypass sanitization by placing javascript: URLs in the animateTransform values attribute. Attackers can upload crafted SVG files whose animateTransform targets the href attribute, executing arbitrary JavaScript when Safari users click the link.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Darylldoyle
Darylldoyle svg-sanitizer
Vendors & Products Darylldoyle
Darylldoyle svg-sanitizer
Type Values Removed Values Added
Description svg-sanitizer before 1.1.0 contains a cross-site scripting vulnerability that allows attackers to bypass sanitization by placing javascript: URLs in the animateTransform values attribute. Attackers can upload crafted SVG files whose animateTransform targets the href attribute, executing arbitrary JavaScript when Safari users click the link.
Title svg-sanitizer before 1.1.0 XSS via animateTransform on Safari
First Time appeared Drupal
Drupal svg Sanitizer
Weaknesses CWE-79
CPEs cpe:2.3:a:drupal:svg_sanitizer:*:*:*:*:*:*:*:*
Vendors & Products Drupal
Drupal svg Sanitizer
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 9, 2026, 3:36 PM
Reserved
Nov 3, 2026, 12:33 PM
Status
Deferred
Published
Nov 3, 2026, 3:17 PM
Modified
Nov 9, 2026, 4:17 PM