Describe CVE-2016-7980.
What is CVE-2016-7980?
Cross-site request forgery (CSRF) vulnerability in ecrire/exec/valider_xml.php in SPIP 3.1.2 and earlier allows remote attackers to hijack the authentication of administrators for requests that execute the XML validator on a local file via a crafted valider_xml request.  NOTE: this issue can be combined with CVE-2016-7998 to execute arbitrary PHP code..