#VU82256 Stored cross-site scripting in Request Tracker - CVE-2023-41259

Vulnerability identifier: #VU82256

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-2023-41259

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Request Tracker
Web applications / Other software

Vendor: Best Practical Solutions

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 when processing email headers in
incoming email and the mail-gateway REST interface. A remote attacker can send a specially crafted email message 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

Request Tracker: 4.0.0 - 4.0.25, 4.1.5 - 4.1.23, 4.2.0 - 4.2.17, 4.4.0 - 4.4.6, 5.0.0 - 5.0.4

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External links
https://github.com/bestpractical/rt/releases/tag/rt-4.4.7
https://github.com/bestpractical/rt/releases/tag/rt-5.0.5

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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.