CVE-2018-19057 — MEDIUM (6.1)

Vulnerability 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.

CVSS Score

6.1

MEDIUM

CVSS:3.0/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 Products

Vendor	Product	Versions
Sparksuite	Simplemde	1.11.2

Related Weaknesses (CWE)

CWE-79

References

https://github.com/sparksuite/simplemde-markdown-editor/issues/721ExploitIssue TrackingThird Party Advisory
https://github.com/sparksuite/simplemde-markdown-editor/issues/721ExploitIssue TrackingThird Party Advisory

FAQ

What is CVE-2018-19057?

CVE-2018-19057 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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.

How severe is CVE-2018-19057?

CVE-2018-19057 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-19057?

Check the references section above for vendor advisories and patch information. Affected products include: Sparksuite Simplemde.