CVE-2017-9426
ws.php in the Facetag extension 0.0.3 for Piwigo allows SQL injection via the imageId parameter in a facetag.changeTag or facetag.listTags action.
Date published : 2018-02-25
https://www.exploit-db.com/exploits/42094/
http://touhidshaikh.com/blog/poc/facetag-extension-piwigo-sqli/