This vulnerability in the Date counter software by Konstantin Pankratov allows stored cross-site scripting due to improper input neutralization during web page generation. Affected versions include all up to 2.0.3. The CVSS 3.1 vector indicates network attack vector, low attack complexity, requiring low privileges and user interaction, with a scope change and impacts on confidentiality, integrity, and availability at a low level. No patch or official remediation guidance is currently provided.

Successful exploitation could allow an attacker to inject and store malicious scripts that execute in the context of users' browsers, potentially leading to information disclosure, data manipulation, or denial 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 a fix is available, users should apply general best practices such as restricting privileges and limiting user interaction with untrusted inputs. Monitor for updates from the vendor or security advisories for any official patches or mitigations.