What’s Vulnerable › Vulnerabilities

CVE-2018-19057

• Severity: medium (CVSS 6.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-11-07 · updated 2026-06-17
• Weakness: CWE-79

Description

SimpleMDE 1.11.2 has XSS via an onerror attribute of a crafted IMG element, or via certain input with [ and ( characters, which is mishandled during construction of an A element.

Affected products

• Sparksuite SimpleMDE: 1.11.2

References

• https://github.com/sparksuite/simplemde-markdown-editor/issues/721
• https://github.com/sparksuite/simplemde-markdown-editor/issues/721

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