This vulnerability in Urdu Formatter – Shamil (versions <= 0.1) allows an attacker to inject and store malicious scripts due to improper input neutralization during web page generation, resulting in stored cross-site scripting (XSS). The CVSS 3.1 vector indicates the attack requires network access, low attack complexity, privileges, and user interaction, with a scope change and impacts on confidentiality, integrity, and availability at a low level.

Successful exploitation could allow an attacker to execute arbitrary scripts in the context of the affected application, potentially leading to information disclosure, modification of data, or disruption of service. The impact is rated medium based on the CVSS score of 6.5. There are no reports of active exploitation in the wild.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should exercise caution with untrusted input and consider implementing additional input validation or output encoding as a temporary mitigation.