#VU105967 Cross-site scripting in ClickWhale - Link Shortener, Click Tracker & Link Pages - CVE-2024-11327

Vulnerability identifier: #VU105967

Vulnerability risk: Low

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:Clear]

CVE-ID: CVE-2024-11327

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ClickWhale - Link Shortener, Click Tracker & Link Pages
Web applications / Modules and components for CMS

Vendor: MailerLite

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 add_query_arg and remove_query_arg. 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

ClickWhale - Link Shortener, Click Tracker & Link Pages: 2.4.0 - 2.4.1

---

External links
https://plugins.trac.wordpress.org/browser/clickwhale/tags/2.3.0/includes/admin/links/Clickwhale_Links_List_Table.php#L384
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3219341%40clickwhale&new=3219341%40clickwhale&sfp_email=&sfph_mail=
https://www.wordfence.com/threat-intel/vulnerabilities/id/96c5836f-6d33-4a56-b30b-5e5d95b81b6b?source=cve

---

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.