Code Injection in SPIP - CVE-2020-28984
Published: November 23, 2020 / Updated: November 27, 2020
Vulnerability identifier: #VU48694
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-28984
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: spip.net
Affected software:
SPIP
SPIP
Detailed vulnerability description
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation in "prive/formulaires/configurer_preferences.php" when processing data passed via couleur, display, display_navigation, display_outils, imessage, and spip_ecran parameters. A remote user can send a specially crafted request and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2020-28984
Install updates from vendor's website.