Cross-site scripting in Joomla! - CVE-2024-40743
Published: August 21, 2024
Vulnerability identifier: #VU96271
CSH Severity: Medium
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2024-40743
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data within the Outputfilter::stripImages and Outputfilter::stripIframes methods. A remote attacker can inject 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
Joomla!
How to mitigate CVE-2024-40743
Install updates from vendor's website.
Joomla! - addressed in versions 3.10.17, 4.4.7, 5.1.3