CVE-2016-7980

Description

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.

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

Debian

Security tracker ↗

Release	Package	Fixed in	Advisory
Debian 14	spip	3.1.3-1	—
Debian 13	spip	3.1.3-1	—
Debian 7	spip	2.1.17-1+deb7u6	DLA-695-1

Ubuntu

Security tracker ↗

Release	Package	Fixed in	Advisory
Ubuntu Pro 16.04 LTS	spip	No fix yet	—

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

Exploit-DB 1

SPIP 3.1.2 - Cross-Site Request Forgery EDB-40597 · webapps · Oct 20, 2016 · verified

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Advisories 1

DLA-695-1 spip - security update Debian Security (DSA / DLA) · Mar 9, 2026

Cross-site request forgery (CSRF) vulnerability in ecrire/exec/valider_xml.php in SPIP 3.1.2 and earlier allows remote attackers to hijack …