What’s Vulnerable › Vulnerabilities

CVE-2019-18857

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-11-11 · updated 2026-06-17
• Weakness: CWE-79

Description

darylldoyle svg-sanitizer before 0.12.0 mishandles script and data values in attributes, as demonstrated by unexpected whitespace such as in the javascript	:alert substring.

Affected products

• darylldoyle svg-sanitizer: before 0.12.0 — fixed in 0.12.0

How to fix

Upgrade to a fixed version: darylldoyle svg-sanitizer 0.12.0. Check the vendor advisory for mitigations.

References

• https://github.com/darylldoyle/svg-sanitizer/commit/51ca4b713f3706d6b27769c6296bbc0c28a5bbd0
• https://github.com/darylldoyle/svg-sanitizer/compare/0.11.0...0.12.0
• https://github.com/darylldoyle/svg-sanitizer/commit/51ca4b713f3706d6b27769c6296bbc0c28a5bbd0
• https://github.com/darylldoyle/svg-sanitizer/compare/0.11.0...0.12.0

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