Pivot uses an external library called XML RPC, which has been found to contain a security vulnerability. Thankfully, patching it is fairly easy. We strongly advise you to do this at your earliest convenience. These instructions apply to all versions of Pivot from 1.0 and up.
Here’s what you should do:
After that, you’re done. No need to rebuild or re-index. Note that this update will not change the version number on your install, so don’t be alarmed that it’s still the same.
I’ve also updated the most recent stable and development versions to version 1.24.2 and 1.30 alpha 3.1. If you’ve applied the patch linked above, you will not need these.