#VU54416 Cross-site scripting in phpIPAM - CVE-2021-35438

Vulnerability identifier: #VU54416

Vulnerability risk: Low

CVSSv4.0: 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:P/U:Clear]

CVE-ID: CVE-2021-35438

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
phpIPAM
Web applications / Modules and components for CMS

Vendor: Miha Petkovsek

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 the app/dashboard/widgets/ipcalc-result.php and app/tools/ip-calculator/result.php scripts. 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 update from vendor's website.

Vulnerable software versions

phpIPAM: 1.4.0 - 1.4.3

---

External links
https://github.com/phpipam/phpipam/issues/3351

---

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. However, proof of concept for this vulnerability is available.