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6.1

Bypassing Security Filters in svg-sanitizer

CVE-2019-10772 · published 6 years ago
Summary

A security filter in svg-sanitizer can be bypassed, allowing malicious SVG code to be injected. This affects users of svg-sanitizer before version 0.13.1. To stay secure, update to the latest version of svg-sanitizer.

What to do
  • Update enshrined svg-sanitize to version 0.13.1.
  • Update enshrined enshrined/svg-sanitize to version 0.13.1.
  • Update svg-sanitizer_project svg-sanitizer to version 0.13.1 or later.
Affected software
Ecosystem VendorProductAffected versions
composer enshrined svg-sanitize < 0.13.1
Fix: upgrade to 0.13.1
– svg-sanitizer_project svg-sanitizer < 0.13.1
cpe:2.3:a:svg-sanitizer_project:svg-sanitizer:*:*:*:*:*:*:*:*
Packagist enshrined enshrined/svg-sanitize < 0.13.1
Fix: upgrade to 0.13.1
Original advisory text
It is possible to bypass enshrined/svg-sanitize before 0.13.1 using the "xlink:href" attribute due to mishandling of the xlink namespace by the sanitizer.
It is possible to bypass enshrined/svg-sanitize before 0.13.1 using the "xlink:href" attribute due to mishandling of the xlink namespace by the sanitizer.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker partial control (estimated)
Severity
6.1 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-79Cross-site Scripting (XSS)
Timeline
Published11 Dec 2019
Updated4 Nov 2026
First seen6 Mar 2026
Sources
GHSA-8rc5-hx3v-2jg7 · GHSA
CVE-2019-10772 · NVD
GHSA-8rc5-hx3v-2jg7 · OSV
CVE-2019-10772 · OSV
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