A vulnerability was found in W3 Total Cache Plugin up to 2.1.4 on WordPress (WordPress Plugin). It has been rated as problematic. This issue affects some unknown processing of the component Setting Handler. The manipulation of the argument extension with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity. The summary by CVE is:

The W3 Total Cache WordPress plugin before 2.1.5 was affected by a reflected Cross-Site Scripting (XSS) issue within the "extension" parameter in the Extensions dashboard, when the 'Anonymously track usage to improve product quality' setting is enabled, as the parameter is output in a JavaScript context without proper escaping. This could allow an attacker, who can convince an authenticated admin into clicking a link, to run malicious JavaScript within the user's web browser, which could lead to full site compromise.

The weakness was disclosed 01/27/2023. The advisory is shared at wpscan.com. The identification of this vulnerability is CVE-2021-24452 since 01/14/2021. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The exploit is available at wpscan.com. It is declared as proof-of-concept.

Upgrading to version 2.1.5 eliminates this vulnerability.

Productinfo

Type

• WordPress Plugin

Name

• W3 Total Cache Plugin

Version

• 2.1.0
• 2.1.1
• 2.1.2
• 2.1.3
• 2.1.4

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CPE 2.2info

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