Vulnerability identifier: #VU88882
Vulnerability risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-74
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Contao
Web applications /
CMS
Vendor: Contao
Description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to insufficient BBCode sanitization. A remote attacker can inject CSS styles.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Contao: 4.0 - 5.3.3
External links
http://github.com/contao/contao/security/advisories/GHSA-j55w-hjpj-825g
http://github.com/contao/contao/commit/55b995d8d35da0d36bc6a22c53fe6423ab0c4ae2
http://github.com/contao/contao/commit/6d42e667177c972ae7c219645593c262d7764ce2
http://contao.org/en/security-advisories/insufficient-bbcode-sanitization
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.