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MEDIUM · 4.8

CVE-2018-1000813

Backdrop CMS version 1.11.0 and earlier contains a Cross Site Scripting (XSS) vulnerability in Sanitization of custom class names used on blocks and layouts. that can result in Execution of JavaScript...

Vulnerability Description

Backdrop CMS version 1.11.0 and earlier contains a Cross Site Scripting (XSS) vulnerability in Sanitization of custom class names used on blocks and layouts. that can result in Execution of JavaScript from an unexpected source.. This attack appear to be exploitable via A user must be directed to an affected page while logged in.. This vulnerability appears to have been fixed in 1.11.1 and later.

CVSS Score

4.8

MEDIUM

CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
BackdropcmsBackdrop Cms<= 1.11.0

Related Weaknesses (CWE)

CWE-79

References

FAQ

What is CVE-2018-1000813?

CVE-2018-1000813 is a vulnerability with a CVSS score of 4.8 (MEDIUM). Backdrop CMS version 1.11.0 and earlier contains a Cross Site Scripting (XSS) vulnerability in Sanitization of custom class names used on blocks and layouts. that can result in Execution of JavaScript...

How severe is CVE-2018-1000813?

CVE-2018-1000813 has been rated MEDIUM with a CVSS base score of 4.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-1000813?

Check the references section above for vendor advisories and patch information. Affected products include: Backdropcms Backdrop Cms.