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CVE-2018-1000813

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.

Published Dec 20, 2018CWE-79EPSS 0.74%

Overview

CVE-2018-1000813 is a medium-severity vulnerability. It was published on December 20, 2018 and has a CVSS 3.0 base score of 4.8 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 4.8, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refbackdropcms.org/security/backdrop-sa-core-2018-005Refbackdropcms.org/security/backdrop-sa-core-2018-005

How CyberStrike helps

Frequently asked questions

What is CVE-2018-1000813?

CVE-2018-1000813 is a medium-severity vulnerability. It was published on December 20, 2018 and has a CVSS 3.0 base score of 4.8 (MEDIUM).

How severe is CVE-2018-1000813?

This vulnerability has a CVSS 3.0 base score of 4.8, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2018-1000813?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2018-1000813?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-1000813 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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