PT-2018-9537 · Backdrop · Backdrop Cms

Subodh Kumar · Published 2018-12-20 · Updated 2019-01-06 · CVE-2018-1000813

Positive Technologies (AI Summary)

CVSS v3.1

4.8

Medium

Base vector

AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Backdrop CMS versions prior to 1.11.1

Description The issue is related to a Cross Site Scripting (XSS) vulnerability in the sanitization of custom class names used on blocks and layouts, which can result in the execution of JavaScript from an unexpected source. This can be exploited when a user is directed to an affected page while logged in.

Recommendations For Backdrop CMS versions prior to 1.11.1, update to version 1.11.1 or later to resolve the issue.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2018-1000813

Affected Products

Backdrop Cms

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2018-1000813 · Security Note
• https://backdropcms.org/security/backdrop-sa-core-2018-005 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-1000813 · Vendor Advisory
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000813 · Note