CVE-2026-57737 is a DOM-based Cross-site Scripting vulnerability in the Shortcodes and extra features for the Phlox theme by Averta LTD. The vulnerability arises from improper neutralization of input during web page generation, allowing malicious scripts to be executed in the victim's browser context. It affects all versions up to and including 2.17.16. The CVSS 3.1 vector indicates network attack vector, low attack complexity, requiring low privileges and user interaction, with impact on confidentiality, integrity, and availability. No official patch or remediation level has been provided by the vendor as of the published date.

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary scripts in the context of the victim's browser, potentially leading to information disclosure, modification of web content, or disruption of service. The CVSS score reflects impacts on confidentiality, integrity, and availability, but the overall severity is medium.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, users should monitor vendor communications for updates. Until a patch is available, consider applying workarounds such as disabling or restricting the vulnerable feature if feasible.