Backdrop CMS up to 1.12.7/1.13.2 Block Label handler cross site scripting

Summaryinfo

A vulnerability was found in Backdrop CMS up to 1.12.7/1.13.2. It has been classified as problematic. This affects an unknown part of the component Block Label handler. This manipulation causes cross site scripting. The identification of this vulnerability is CVE-2019-14769. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Backdrop CMS up to 1.12.7/1.13.2 (Content Management System). It has been declared as problematic. Affected by this vulnerability is an unknown code block of the component Block Label handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

Backdrop CMS 1.12.x before 1.12.8 and 1.13.x before 1.13.3 doesn't sufficiently filter output when displaying certain block labels created by administrators. An attacker could potentially craft a specialized label, then have an administrator execute scripting when administering a layout. (This issue is mitigated by the attacker needing permission to create custom blocks on the site, which is typically an administrative permission.)

The weakness was shared 08/08/2019. This vulnerability is known as CVE-2019-14769 since 08/07/2019. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Upgrading to version 1.12.8 or 1.13.3 eliminates this vulnerability.

The entries VDB-139671 and VDB-139670 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Content Management System

Vendor

• Backdrop

Name

• CMS

Version

• 1.12.0
• 1.12.1
• 1.12.2
• 1.12.3
• 1.12.4
• 1.12.5
• 1.12.6
• 1.12.7
• 1.13.0
• 1.13.1
• 1.13.2

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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