Last week we looked a recent example of the security industry vastly overstating the impact of a vulnerability, in that instance it involved a reflected cross-site scripting (XSS) vulnerability in a plugin used with the popular WordPress eCommerce plugin WooCommerce. What that situation also highlighted is the poor state of detection of vulnerabilities in WordPress plugins. Here is what the discoverer SiteLock wrote about finding it:
Our automated scanner alerted us to an XSS vulnerability on a customer’s website, which we determined was due to the WooCommerce “Product Vendors” plugin. What was unusual in this case is that the vulnerable plugin was, at the time, the most recent version, so no patches were yet available for the vulnerability. We immediately contacted Automattic concerning our findings in following our Responsible Disclosure Policy, provided all relevant information on the vulnerability, and coordinated this disclosure. [Read more]