Wordpress Xmlrpc Pingback Server-Side Request Forgery

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WordPress 'xmlrpc.php' pingback.ping Server-Side Request ...

https://www.tenable.com/plugins/nessus/64453

The remote web server contains a PHP application that is affected by a server-side request forgery vulnerability. Description The WordPress install hosted on the remote web server is affected by a server-side request forgery vulnerability because the 'pingback.ping' method used in 'xmlrpc.php' fails to properly validate source URIs (Uniform Resource Identifiers).

Is WordPress XMLRPC a security problem?

https://blog.wpscan.com/2021/01/25/wordpress-xmlrpc-security.html

Jan 25, 2021 · But this still leaves the unauthenticated methods wide open, and we have seen very serious vulnerabilities affect the unauthenticated methods in the past, such as the pingback Server-Side Request Forgery vulnerability. The only way to be 100% sure that access to the xmlrpc.php file is completely blocked is to do so from the webserver configuration.

What is xmlrpc.php file and why you should care about it ...

https://blog.wpsec.com/xml-rpc/

If you get response back from the server saying, “XML-RPC server accepts POST requests only.” (as shown in the following image) It means that the vulnerable xmlrpc.php file is enabled. Successful response showing that the xmlrpc.php file is enabled. Cross Site Port Attack (XSPA) or Server Side Request Forgery (SSRF)

WordPress 3.5 Multiple Vulnerabilities (1.5 - 3.5 ...

https://www.acunetix.com/vulnerabilities/web/wordpress-3-5-multiple-vulnerabilities-1-5-3-5/

Description WordPress is prone to multiple vulnerabilities, including cross-site scripting, remote port scanning using pingbacks and server-side request forgery vulnerabilities.

Remove & Disable XML-RPC Pingback – WordPress plugin ...

https://wordpress.org/plugins/remove-xmlrpc-pingback-ping/

Prevent your WordPress site from participating and being a victim of pingback denial of service attacks. After activation the plugin automatically disables XML-RPC. There’s no need to configure anything. By disabling the XML-RPC pingback you’ll: * lower your server CPU usage3/5(6)

XML-RPC Pingback API « WordPress Codex

https://codex.wordpress.org/XML-RPC_Pingback_API

pingback.ping. Register a pingback. Parameters. string sourceUri; string targetUri; Return Values. string: For debugging. Errors. See spec for possible fault codes. pingback.extensions.getPingbacks. Retrieves list of URLs that pingbacked the given URL. Parameters. string url: URL of a post on this blog. Return Values. array of strings: URLs ...

CVE-2013-0235 : The XMLRPC API in WordPress before 3.5.1 ...

https://www.cvedetails.com/cve/CVE-2013-0235/

The XMLRPC API in WordPress before 3.5.1 allows remote attackers to send HTTP requests to intranet servers, and conduct port-scanning attacks, by specifying a crafted source URL for a pingback, related to a Server-Side Request Forgery (SSRF) issue. Publish Date : …6.4/10

Introduction to the WordPress XML-RPC API

https://blog.dewhurstsecurity.com/2012/12/11/introduction-to-the-wordpress-xml-rpc-api.html

Dec 11, 2012 · An even more serious issue has been identified with WordPress's XMLRPC API. ONsec research lab have found that the pingback API is vulnerable to 'SSRF' (Server Side Request Forgery): http://lab.onsec.ru/2013/01/wordpress-xmlrpc-pingback-additional.html

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