Cross-site scripting in SPIP - CVE-2021-44120
Published: June 17, 2022
Vulnerability identifier: #VU64456
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2021-44120
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The disclosed vulnerability allows a remote user to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in the ecrire/public/interfaces.php. A remote user can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Affected software
SPIP
Ubuntu
spip (Ubuntu package)
Ubuntu
spip (Ubuntu package)
How to mitigate CVE-2021-44120
Install updates from vendor's website.
SPIP - update to 4.0.1
spip (Ubuntu package) - addressed in versions 3.1.4-4~deb9u5build0.18.04.1, 3.2.7-1ubuntu0.1, 3.2.11-3+deb11u3build0.21.10.1
spip (Ubuntu package) - addressed in versions 3.1.4-4~deb9u5build0.18.04.1, 3.2.7-1ubuntu0.1, 3.2.11-3+deb11u3build0.21.10.1