XSS in Trix editor

1) Cross-site scripting

EUVDB-ID: #VU89684

Risk: Low

CVSSv4.0: 0.5 [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/E:U/U:Clear]

CVE-ID: CVE-2024-34341

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

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. 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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Trix: 0.4.0 - 2.1.0

CPE2.3

• cpe:2.3:a:basecamp:trix:0.4.0:*:*:*:*:*:*:*
• cpe:2.3:a:basecamp:trix:0.5.0:*:*:*:*:*:*:*
• cpe:2.3:a:basecamp:trix:0.6.0:*:*:*:*:*:*:*

External links

https://github.com/basecamp/trix/security/advisories/GHSA-qjqp-xr96-cj99
https://github.com/basecamp/trix/pull/1147
https://github.com/basecamp/trix/pull/1149
https://github.com/basecamp/trix/commit/1a5c68a14d48421fc368e30026f4a7918028b7ad
https://github.com/basecamp/trix/commit/841ff19b53f349915100bca8fcb488214ff93554
https://github.com/basecamp/trix/releases/tag/v2.1.1

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.