CVE-2019-18857
HIGHCVSS 7.5/10EPSS 1.04%
Last modified
CVE-2019-18857 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 1.04% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Svg-Sanitizer Project | Svg-Sanitizer | < 0.12.0 |
References
- https://github.com/darylldoyle/svg-sanitizer/commit/51ca4b713f3706d6b27769c6296bbc0c28a5bbd0Patch, Third Party Advisory
- https://github.com/darylldoyle/svg-sanitizer/compare/0.11.0...0.12.0Third Party Advisory
- https://github.com/darylldoyle/svg-sanitizer/commit/51ca4b713f3706d6b27769c6296bbc0c28a5bbd0Patch, Third Party Advisory
- https://github.com/darylldoyle/svg-sanitizer/compare/0.11.0...0.12.0Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-18857?
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.
How severe is CVE-2019-18857?
CVE-2019-18857 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.04% probability of exploitation in the next 30 days.
How do I fix CVE-2019-18857?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2019-18857?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST