A vulnerability was found in Google Caja r5631 and classified as critical. Affected by this issue is some unknown functionality of the component Escape Sequence Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-80. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. Impacted is confidentiality, integrity, and availability.

The weakness was published 08/21/2013 as Caja Security Advisory 2013-11-21 as confirmed advisory (Website). The advisory is shared for download at code.google.com. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading to version r5632 eliminates this vulnerability. A possible mitigation has been published 4 months after the disclosure of the vulnerability.

Productinfo

Vendor

• Google

Name

• Caja

Version

• r5631

License

• free

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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