CVE-2026-121447

MEDIUM 6.1

svg-sanitizer before 1.1.0 XSS via animateTransform on Safari

CVSS Score

6.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-79
Vendor	darylldoyle
Product	svg-sanitizer
Published	Nov 3, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

darylldoyle / svg-sanitizer

0 < 1.1.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/darylldoyle/svg-sanitizer/security/advisories/GHSA-q546-85r6-f39q vulncheck.com: https://www.vulncheck.com/advisories/svg-sanitizer-before-1.1.0-xss-via-animatetransform-on-safari

Credits

🔍 prudloff-insite