The SPIP template composer/compiler in SPIP 3.1.2 and earlier allows remote authenticated users to execute arbitrary PHP code by uploading an HTML file with a crafted (1) INCLUDE or (2) INCLURE tag and then accessing it with a valider_xml action.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7998
Reference (s):
- BID:93451
- URL: http://www.securityfocus.com/bid/93451
- https://core.spip.net/projects/spip/repository/revisions/23186
- https://core.spip.net/projects/spip/repository/revisions/23189
- https://core.spip.net/projects/spip/repository/revisions/23192