CVE-2023-4294: url shortify vulnerability

What is known

The URL Shortify WordPress plugin before 1.7.6 does not properly escape the value of the referer header, thus allowing an unauthenticated attacker to inject malicious javascript that will trigger in the plugins admin panel with statistics of the created short link.

Business impact

Successful exploitation of CVE-2023-4294, a medium vulnerability (CVSS 6.1) affecting url shortify, may affect the confidentiality, integrity or availability of the vulnerable environment. The exact impact depends on the installed version, exposed interfaces and deployment configuration.

Recommended administrator action

Confirm whether url shortify is present and compare installed versions with the vendor advisory and NVD record. Apply the vendor patch or documented mitigation; until remediation is complete, reduce exposure of affected interfaces, review relevant logs and monitor for indicators of exploitation. DataHouse can support version verification, managed patching, network exposure reduction, log review and backup validation for dedicated, cloud and colocated environments.

Sources

• NVD
• Reference