Last night, I got an email pointing out a vulnerability in the

Registration

Phone
Address
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shortcode that allows a malicious person to add some javascript to the address field, which would make the address list pages vulnerable to XSS hacks.

I’ve gone through all the code for the whole plugin, making sure that vulnerability was plugged and not repeated anywhere else. The WordPress security team have also been notified.

Version 0.810 has got rid of the vulnerability. In the unlikely any malicious people have already exploited the vulnerabilty – their address field will look like a bunch of code but not actually do anything bad.