Cross Site Scripting Vulnerability in Backdrop CMS by Backdrop
CVE-2018-1000813

4.8MEDIUM

Key Information:

Vendor

Backdropcms

Status
Backdrop Cms
Vendor
CVE Published:
20 December 2018

What is CVE-2018-1000813?

Backdrop CMS versions 1.11.0 and earlier are susceptible to a Cross Site Scripting (XSS) vulnerability due to improper sanitization of custom class names in blocks and layouts. This flaw allows an attacker to execute JavaScript from an untrusted source if a user is directed to a maliciously crafted page while logged in. The vulnerability has been addressed in version 1.11.1 and later, enhancing the security posture against such threats.

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References

https://backdropcms.org/security/backdrop-sa-core-2018-005
x_refsource_MISC

CVSS V3.1

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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