CVE-2021-44122

EUVD-2021-30978

26.01.2022, 12:15

SPIP 4.0.0 is affected by a Cross Site Request Forgery (CSRF) vulnerability in ecrire/public/aiguiller.php, ecrire/public/balises.php, ecrire/balise/formulaire_.php. To exploit the vulnerability, a visitor must visit a malicious website which redirects to the SPIP website. It is also possible to combine XSS vulnerabilities in SPIP 4.0.0 to exploit it. The vulnerability allows an authenticated attacker to execute malicious code without the knowledge of the user on the website (CSRF).

CSRF

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	8.8 HIGH	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Base Score

CVSS 3.x

EPSS Score

Percentile: 44%

Affected Products (NVD)

Vendor	Product	Version
spip	spip	4.0.0

𝑥

= Vulnerable software versions

Debian Releases

Debian Product

Codename

spip

bullseye	3.2.11-3+deb11u10 fixed
bullseye (security)	3.2.11-3+deb11u7 fixed
sid	4.3.3+dfsg-1 fixed
trixie	4.3.3+dfsg-1 fixed

Ubuntu Releases

Ubuntu Product

Codename

spip

bionic	Fixed 3.1.4-4~deb9u5build0.18.04.1 released
focal	Fixed 3.2.7-1ubuntu0.1 released
impish	Fixed 3.2.11-3+deb11u3build0.21.10.1 released
jammy	not-affected
kinetic	not-affected
lunar	not-affected
mantic	not-affected
noble	not-affected
trusty	ignored
xenial	needed

Common Weakness Enumeration

CWE-352 - Cross-Site Request Forgery (CSRF)
The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request.

References

https://git.spip.net/spip/spip/commit/1b8e4f404c2441c15ca6540b9a6d8e50cff219db