#VU102421 Cross-site scripting in Joomla! - CVE-2024-40747
Vulnerability identifier: #VU102421
Vulnerability risk: Medium
CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green]
CVE-ID: CVE-2024-40747
CWE-ID:
CWE-79
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Joomla!
Web applications /
CMS
Vendor: Joomla!
Description
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 in module chromes. A remote attacker 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.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Joomla!: 4.0.0 - 4.0.6, 4.1.0 - 4.1.5, 4.2.0 - 4.2.9, 4.3.0 - 4.3.4, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3, 5.1.0 - 5.1.4, 5.2.0 - 5.2.2
External links
https://developer.joomla.org/security-centre/954-20250101-core-xss-vectors-in-module-chromes.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
