The Arconix Shortcodes plugin for WordPress, versions up to 2.1.17, contains a stored cross-site scripting vulnerability due to improper input neutralization during web page generation. This allows attackers with low privileges to inject malicious scripts that execute in the context of other users' browsers, potentially leading to limited confidentiality, integrity, and availability impacts. The vulnerability has a CVSS 3.1 base score of 6.5, reflecting medium severity. No patch or official remediation guidance is currently provided, and no known exploits have been reported.

Successful exploitation of this vulnerability could allow an attacker with low privileges to inject and store malicious scripts that execute when other users view affected pages. This can lead to limited disclosure of information, modification of data, or disruption of service. The overall impact is rated medium based on the CVSS score and described effects.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict user privileges to trusted users only and consider disabling or removing the Arconix Shortcodes plugin if feasible to reduce exposure.